Popeye is fighting cavemen. He mutters “Hmmm… Must be a Communist” after being knocked down.
I find myself saying the following (both mentioned by others):
You might, rabbit … you might
Shut up, shuttin’ up!
And also whenever someone says something weird or odd I often say:
Hansel, Haansel, Hansel … Hansel?
(Nobody ever gets that one)
And once in a while
ABRACA-POCUS!!
Ooh ooh! I do! I do! Call it a weakness.
Most of my quotes comes from cartoons:
One of my go-to’s that no one gets is when a situation comes up when someone says something , and another person trumps them in the conversation I’ll use the classic “Oooop, he’s got ya there Rock” from Rocko’s modern life.
When I do something stupid: I am so smart, s-m-r-t
Well, obviously!
I often think to myself (but do not say aloud): “She may not be very pretty now, but she was somebody’s baby once…”
Looney Tunes
What a gulli-bull.
Are you in Genius?
Freakazoid
“Wanna see a bear ride a bicycle?” “DO I!!!” Do I! Gets used a lot in the Prefect household.
Huckleberry Hound hour
“Close your eyes, Yackee, you shouldn’t otta see this.”
Flintstones, when Fred is asked if the Dippydoodleitis he and Barney caught hurts:
“Only when I breath.”
Followed by, “Now I’m an umpire!”
You wouldn’t hit a bat with glasses on.
Want a cup of cyanide or like that? <– classic can’t sleep line from my wife 
Wallawalla Washington.
That episode is one of the more heavily mined ones in my litany of funny but useless quotes
Hansel - I would get that one, I love it!
Why don’t you go back to San Franpizza? Or Pastafadena?
The one I actually use:
“Slide show. Boring. Losing. Consciousness.”
The one I think is hilarious enough that I giggle just thinking of it:
“It’s a YULE TIDE!!”
Woody Woodpecker, taking an eye test: “I can’t see a thing.” (That’s what the chart said).
Beavis and Butt-Head: You said…
Yosemite Sam: I’m a-thinkin’, and muh head hurts.
The Dog on Chiily Willy: “Brains”
Foghorn Leghorn: “I wonder, I say I wonder, what that dawwwwg’s up to.”
Generic Walter Lantz cartoon: Plasma! Dog Plasma! (Switches the two, making the dog act like the owner and vice versa, which makes the wife go crazy).
“Noy Jitat!” — Pirates of Dark Water
Also, “Jitatan, Monkey-Bird!” — Pirates of Dark Water
“Worse? Or better?” — Invader Zim
“Have you the brain worms?!?” — Invader Zim
“Mere Micronians couldn’t have captured a Robotech ship.” — Robotech
“Boom-boom” — Venture Bros.
“IGNORE ME!” — Venture Bros.
“Roofpig, most unexpected.” — The Tick
Two from the Tazmanian Devil “How come you say you no bunny rabbit when you got little powder puff tail?” and “what for you bury me in the cold cold ground?”
A gangster to bugs: “You might, rabbit, you might”.
I was starting to think I was the only one. 