My biggest scar is at the base of my right ring finger and palm of my right hand. It’s straight, about 3/4 of an inch long, and was obtained as a kid when a cut my hand on something at the bottom of Lake Texoma while visiting my Grandpa.
The next scar is on the outside edge of my right big toe. It’s v-shapped, about 1/4 inch long, and was obtained from stepping on a light bulb at the beach.
The third scar of note is on the outside edge of my left index finger. It’s very faint, straight, about 1/8 inch long, and was obtained from being careless while washing a kitchen knife.
In chronological order:
The pale, inch-long scar on my right forearm is from the exposed edge of a metal dollhouse–this was in the days before toy safety. I was 3. I remember reaching for something on the other side of the house, and my arm caught on one of the little metal tabs that was supposed to hold the roof on. 5 stitches.
The pinkish 3-inch scar that runs down my right shin is from a family camping trip when I was 9. My older brother was rolling pieces of slate down a steep hill, while we younger kids were at the bottom (nice boy, huh?), and one of rocks sliced the front of my leg open. 7 stitches.
The 10-inch scar that looks like a centipede sitting on the inside of my right knee (and which kept me in long pants and opague hose through most of my teens and 20s) is from an accident when I was 15; I was hit by a car while walking home from school. The cartilage and ligaments in the knee were all torn up, and I had to have surgery. I broke a lot of bones too, but those all healed long ago and nothing else from the accident still shows.
The mottled purplish area on the outer side of my right breast is from a biopsy–I had a grape-sized, fortunately benign, tumor removed when I was 22. They used dissolving stitches on this one, so it doesn’t look so much like a scar as it does an odd discoloration, like a birthmark.
The three faint white lines that run from the base of my right palm down the wrist are from a friend’s cat that gut-kicked me with her hind claws about 3 years ago. I thought we were playing.
I was a secret military experiment. No, really - hear me out.
In USAF basic training, shortly after being given my ‘inoculations’, I developed a strange set of blisters and a high fever. I ended up getting them surgically removed and sent back to training. Due to the fact that they didn’t sew it up, I now have eight fairly large scars on my left leg. No one ever told me what it was, though I asked repeatedly.
When I got to my duty station, I had no medical records. No dental records. No personnel records. My pay was screwed up and I had to get it fixed such that I would actually get money.
There was no record that I existed[sup]1[/sup]
I theorize that I was a medical experiment they forgot to clean up after.
You know, when your mother told you to not run with things in your hands, there where a reason for it?
I’ve got a 2 cm long scar between my eyes and down by one side of the nose.
I where running with a teaspoon in one hand, fell and one end of the spoon hit the arm rest of a chair - I hit the other end with my head.
A couple of millimeters to one side and it would have hit an eye instead of the nose.
I also have scars on my fingers from pushing my sister around in a baby carriage, it tipped over and my fingers got caught and dragged between the handle and the asphalt on the road - quite painful. oh… and a nice 4 cm long scar from a dog bite low on my left leg.
Ahh… still more: 2 overlapping ones on my right knee - ran and fell, hit some metal around a mat on the floor and opened the skin so I could see the kneecap and hit a parked car with the knee while driving my moped.
I’ve got one of these too! Mine is under my left arm. I was climbing to get some berries off a hedge and slipped and fell on on of those v-shaped hooky thing – nasty little bastards!
Also, I have two very small, light dog bite scars on my face – one above my lip and one horizontally along my cheek beside my nose. I was a slow learner when it came to “keep your face away from strange dogs.”
I also have a couple of fairly marked scars from little tiny injuries – one on my forearm and one high on my belly. The belly one I got as a child when I attempted to skinny past a jungle gym and scratched myself on an exposed screw. It’s faded a lot but I can still find it. The forearm one was when I was pregnant with my son. I was reading (still remember the book, too – it was Lonesome Dove) in bed and brushed my arm against an exposed screw on the window right next to the bed. Again, a very shallow scratch and yet the scar is extremely pronounced even after 17 years!
Finally, my c-section scar. I had a classic old-fashioned c-section with a vertical incision. Left a nasty, NASTY scar.
Most recent to oldest:
A 2 inch purplish horizontal scar under my left breast from a tumor I had removed last summer.
A tiny irregular white scar on my left ring finger from “ashing” a cigarette out of my car window when I was 16. The “cherry” stuck to the window and promptly seared itself onto my finger.
A 1/2 inch perfectly round indention scar on my inner right calf from another tumor removed when I was 11.
An inch long vertical purple scar on my right kneecap from biking when I was 7-ish.
Not too very exciting and no, I don’t have some weird tumor disease, I’ve just been a little unlucky. 
Upper forehead, thin white line : Fell headfirst into a huge rock fishpond.
Lower forehead, perfectly circular spot between my eyes : chicken pox scar
Left cheek, tangled scarry mess : Car accident when I was 7, four operations later.
Chin, upside-down raindrop shape : Ran headfirst into a metal bar.
Left shoulder, jagged line : Horse riding accident
Left hip, rectangle : Unknown.
Right thigh, just above knee, long thing line : Thrown kitchen utensil in a sibling fight.
Left knee : Sand boarding accident.
Right foot, lengthways line down foot : Ran into a metal door.
I have a 1" scar above my eyebrow…
I ran into a poll…
I enjoy telling people that one because then they can grasp exactly how much of an idiot I am…
Wrist: Sliding down a hill on a piece of sheet metal when I was eight. My friend slid off the back and I slid off the front. He got back on and the sheet metal slid down and cut me as if I was an attempted suicide.
Right Knee 1: Skiing injury. Surgery to repair a severely torn anterior cruciate ligament.
Right Knee 2: Car wreck. Surgery to install a pin in my femur neer the knee.
Left knee: Same car wreck. Removal of part of the broken patella.
Back: Removal of a benign cyst.
Right great toe: Ingrown tonail.
Left knee: a dimply piece of skin that goes in and out when I move my leg. I was trying to carve a horse with a chisel and had the wood propped against my knee. It slipped and went straight in. I was 8 at the time.
Lip: Thin white line from a dog bite.
Left knuckles: Healing from burning the skin off in the bakery oven.
Top of right foot: Plate shard opened it right up.
I have a 3-4" scar on my chest / upper stomach, from sliding down a cliff face-down when I was a kid. (It was a short cliff, that’s why I’m still here.)
And two small ones on the back of knuckles: one on my left thumb from a slip of the knife while slicing bread, and one on my right middle finger from the time I tried to open a bottle of beer by hitting the bottle top against a window frame. (Do not do this.)
I have a 3-inch scar going down the middle of my forehead, a one inch one wrapped around the tip of my nose, and a one inch one on my left eyelid.
I got them all on March 1st, from passing out (for no apparent reason, still trying to fuigure it out) and falling into my dresser.
They’re about 3 or 4 weeks old now, but they’ll be around for a loooong time.
I have a small scar that runs vertically through one of my eyebrows. That one is from when I was really small. My mom was rushing my little brother to the hospital for some reason or another (this happened a lot, apparently), and she slammed on the brakes. My head hit the dashboard of whatever car we had at the time. This was in the days before child seats and kids in the back. I was probably standing on the front seat. Heck, seatbelts were even an option back then, like antilock brakes or airbags in some cars now. So my mom sort of saved a trip by getting two kids fixed up at once.
The scar under my chin was courtesy of my father. We lived in Seattle and had base board heating. I’d done something egregious (or not) and was being punished by being forced to lean with my nose against the wall but with my hands behind my back. My father then thought it would be funny to kick my feet out from under me and see if I would catch myself on falling. I didn’t. There was a lot of blood.
The scar on my knee was from a spectacular bike crash. I know this because my brother told me. I also broke one of my new front teeth. I have total amnesia of that incident and a few days surrounding it. Just sort of snapped out of it a few days later. I assume that I had a concussion from the crash, but it wasn’t the sort of thing we’d go to the doctor for. The scar on my knee developed because the huge scab covering the scrape got knocked off many times. It took several months to heal.
When I was 13, I had a zit appear on the bridge of my nose, practically overnight.
I was cautioned by my parents, “Don’t mess with it. It might leave a scar.”
So I didn’t. And it got bigger. And bigger. And bigger.
It turned out to be one of the largest zits I would ever have.
But I didn’t mess with it. No, I followed the rules. I let it alone.
It eventually started weeping, and when it did, I went ahead and expressed the rest.
I now have a deep pit on the bridge of my nose. But I learned my lesson. I don’t care what the medical books say–as soon as I get a zit forming, I pop the MF.
Wow, either I’ve just been lucky, or I haven’t lived an adventurous enough life compared to the others who have posted here. That said, I only have two small scars. One is on my right hand on one of my knuckles (about ¼" wide) from when I fell off my bike. I was ten at the time. The other scar is on my left ring finger. It’s about half an inch long. I did this with a knife while working in fast food and I got in a hurry one night and wasn’t watching what I was doing when slicing a sandwich. I was 18 at the time of this incident.
Starting from the top and going down…
Forehead: Two-inch scar right between my eyebrows. In second grade, got whacked by a plastic hockey stick when we were playing iceless hockey in the school parking lot.
Right shoulderblade: Nasty circular scar from a big zit I just couldn’t leave alone. <wince>
Ribcage, left side: Inch-long scar from falling out of a tree… onto a bamboo stake sticking up out of the ground. Thankfully, the stake wasn’t quite perpendicular to the ground, and when my weight hit it, it shifted then broke – it only went in far enough to break a couple of my ribs. The scar’s still there, and my ribcage on that side healed funny – it sticks out from my chest a little.
Right hand, back: S-shaped scar from slicing garlic bread – the bread was still a little frozen and the knife broke while I was cutting the bread, slicing open the back of my hand.
Left hand, back and right hand, back: Circular scars, about an inch in diameter. Fell off my bike as a wee little Zanshin and ended up sliding down the road on my knees and the backs of my hands.
Knees, both: See above story.
Just inside navel, at the base, a perhaps 1 cm scar when the skin is extended, looks like a small pucker normally. Scar from an endoscopy I had, checking for possible endometriosis (clear!), back in the early '90s.
Maybe 1-2" diameter, somewhat ruddy in parts, smooth-skinned portion just below my right kneecap - fell on my front concrete steps this August and skinned the hell out of my knee. I had to stand up in a wedding only a couple weeks later and was grateful the dress was long.
Couple of nickel-sized patches on my lower left leg: scarring due to chemical burns from EpilStop. It was nasty, it went from a mild tingling sensation letting me know something was up, to me actually bleeding. Happened about 2 years ago.
Round lightish patch, about the size of a quarter, under my left knee - tripped on last step on bus a couple years ago, fell, ripped open my pants knees and skinned my own knees.
Approx. 1/4" by 3/4" scar on left kneecap - leftover from childhood accident, fell off bike. A particularly big piece of gravel scraped me there, I think.
I have a 5 inch gash on my left forearm when I got cut with a chainsaw.
30 feet up a falling tree, when I let go of the saw and jumped to another tree.
Climbing down and looking myself over, found no blood and no pain.
I also have a scar around my penis when a doctor sliced off my foreskin. :eek:
Well, let’s see, I’ve got:
The scar on the inside of my right arm given to me by the tail barb of a flailing dogfish (small shark) caught while cod fishing off Gloucester, Mass when I was 15.
The entry and exit scar from a small caliber round that came from the treeline and went through the fat of my thigh while I was sitting in a clearing deer hunting when I was 17.
The small scar on the back of my right hand that I got when I managed to still have my hand too near the timing belt of my 1977 Volkswagen Dasher when a friend turned it over for me - we were 23 at the time.
I have the scar on the inside of my left knee that comes from the first time I attempted ice skating, fell and drove the back end of the right skate blade under my kneecap. I think I was 14 on that one.
Then I remained relatively scar-free until I crashed my motorcycle last year - I now have a lovely 7 inch long surgery scar down the outside of my left ankle.
Geez, reading this, I suddenly feel like a much bigger klutz than I really am.
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DAMN - just fell on the keyboard. No scar though. 
Hm, I’m not so bad as I thought.
A great many on my hands and lower arms - mostly unknown, though one on my left index is from a pocket knife that closed at the wrong time and one on my right palm (a cute little half-moon shape) was put there by a BB that entered the skin and rolled around for a few minutes.
Right knee - 1/2 incher from a rusty old bucket when I was a kid. Slid through like a lighsaber blade and cut an eighth of an inch in.
Right shin - Stupidly banged it on a 1’ tall brick wall - about five times over a summer.
Lower spine - Six inches from spine surgery a year and a half ago - it was stapled shut, so it looks like inverted train tracks.