I’ve been out of the high school loop for too long. Can any current or recent high schoolers or their teachers tell us what the latest slang words are? The last one I learned was “Freakazoid”.
Please tell us adults so we can use them in the office. 
I’m digging the hep cats. They’re saying aitch - ee double hockey sticks instead of hell, and L7 means square.
Oh wait, recent high school slang?! Nevermind.
Freakazoid? Really? That is so 80’s!
LOL! NWC got pwned! Epic fail, n00b!
For your reading pleasure: Slang Words: 10 Things Teenagers Are Saying These Days | HuffPost Life
Man, that’s from Canada in 2011. Might as well be 10 years old.
They are using terms like “no problemo”, “eat me”, “hasta la vista, baby”, “chill out”, and “dickwad.” You can combine those into phrases like “Eat me, dickwad.”
Honestly, you’re either going to pick up slang based on the group you’re in, or you’re just going to sound ridiculous using it. It seems to me that, short of specific scenes, like various music scenes or surfers that still require a lot of offline contact, a lot of modern slang is pretty much being generated and spread on the internet. So, chances are the best place to pick it up is to go to the sites that the scene you want to learn about uses, and see what they’re saying.
Also, urbandictionary.com is a great resource for figuring some of this stuff out too.
All I hear continuously is: “I know, right?” It is the “like, totally” of this decade.
Use “fuck” as puncuation and you’ll fit right in.
“Swag”
“Trill”
Oh, and using the phrase “hashtag” like they are on Twitter. “Hashtag awkward, Miss Bellissima!”
IFUCKve been hearing buttfart and dickbutt alotFUCK
I havenFUCKt figured out their true meanings yet so in the meantime donFUCKt be a dickbutt and get buttfartFUCK
(I like this new use of punctation.)
Just like in the 80s!
My 14-year-old daughter’s friend, on the phone with her mom:
“Hashtag! Totes amazed!”
Pause. “Yes, I’m speaking English”.
(Totes = totally)
The one I hear sometimes is “You jelly?” for “Are you jealous of me?”
U mad bro? #likeIcouldgiveash!7
But seriously, did the OP ask for country-specific slang?
Also, linking to the first result of a search without really caring how relevant it is, is kind of a passive-aggressive way of saying, www.lmgtfy.com. Without, you know, saying something snarky like “dude, check out this on Twitter: #contemporaryslang”. Or, “hey old man, why not ask your FB friends?”
But, I’m not being passive-aggressive. In the spirit of some of the joking posts so far, I hope the OP realizes I’m not being snarky, just “meta”.
Sent from my iPhone 4S. And let me tell you something, trying to type on this itty bitty keyboard is murder on my carpal tunnel syndrome.
A small hijack: Following this Twitter feed: Modern Seinfeld (@SeinfeldToday), helps alert me to trends that I, as a middle-aged geezer, would probably never hear about as my fun, au courant hipster friends are pretty much nonexistent.
“my bad”= Im sorry… “i’m down for that”= sounds like a good idea… “low key” = casual, informal, easy…“ima” = I am, as in "Ima gonna call you later instead of Im going to call you later
Sometimes I’ll hear and use “jelly” for jealous. Like “He jelly.” Seems to be understood a little less common form is to add “totes” for totally as in “He totes jelly.” I think that’s more internet slang than high school but I find it entertaining to use.
A new one I learned today is rachet, used as a adjective. “She bein’ rachet.” I think it means acting like an idiot, I don’t know. I tried to look it up via urban dictionary but there doesn’t seem to be any agreement.
There’s the typical “swag” and “yolo” as well. To get “blinked” means to get pulled over by a cop. That’s all I know, thank god.
I’m a teacher and yes, this is correct.
And saying “JK” instead of just kidding. And OMG instead of ohmygod.
Also, “Ima” without the “gonna”, like “Ima call you later.”
I suppose in this case, “Ima”= I’m + gonna.