sup

A cool way of saying "What's up?", derived from "Whassup" or "Wazzap".

dude: Sup bro, whatcha doin'?
guy: Sup, i ain't doin' anythin'.

Sup

The word smart people use for "what's up". It in loves less contraction of the tongue. It also sounds cool as s**t

Me: 'sup man'
Dude I'm talking to. 'Yo'

Sup

Greating of boys

Sup my boi

sup

asking a person what they are up to

hey dude sup

sup

whats up asking a person what they are up to

hey dude sup

sup

sup is short for wassup, which is short for what's up, which is short for what is up.
It originated from 2000s teen slang
Sometimes mistaken for "shut up"
it is an interjection, and is used as an informal greeting, such as "what's up?"

sup man
sup. Did you get the ketchup packets?

sup

Originated in Azilda, "sup" can either mean "what's up" like the rest of the world uses it, but, it is also an emotional expression in itself. This expression can be used when you are surprised.

Friend: *sinks a halfcourt shot first try*

Me: "sup"

Friend: *misses a basketball shot when he's 2 feet away from the net*
Me: "sup"