Used to ask an indiviudal how things are going. Can be responded to in urban settings by using the word Chillin or in Jamaica by saying Cool
A- Yo man what's up?

B- Chilllin
by ICO777 August 12, 2009
A shortened version of "What's up", which replaces greetings such as "Hello", "How are you?", "What's going on?", etc. This phrase was possibly made popular in the 1940's from a cartoon called Bugs Bunny, when the rabbit said his famous catch phrase, "Eh...What's up, doc?".

If you are not a social recluse then you will most likely be asked "Whatsup?" multiple times a day and be expected to answer with the vague "nothin", "not shit", "chillin", etc.

Other ways to say whatsup:

How's it hanging?, How ya derrin?, How ya doin?, What ho, What it be?, What it do?, What it is?, What's clickin?, What's crackin'?, What's poppin?, What's new?, What gives?, What's cookin?, What's crackalackin?, What's happenin?, etc.
Ex 1:

Ex 2:
Whatsup mothafucka?

Ex 3:
Bob- Hey girl, whatsup?
Lucy- The sky!
Bob- (Smart ass...)

Ex 4:
Bob- Hey man, whatsup?
Jones- Not shit man.
by singingbeauty June 25, 2011
A question that means "hi" or "What are you doing"
It can get annoying, but people don't seem to understand that.
The best way to answer is "I think it's the opposite of down" if you are annoyed by this question
"What's up?"
by The Billionth Random Monkey December 15, 2014
term used when you did something badass
after slapping a bitch thats "whats up"

klucthing it
by benjijuice18 July 26, 2009
An excuse for your friends to be dickwad punsters when you just want to hang out.
A-Hey what's up?
B-The sky!! hehehehe
A-Fuck you, Thomas
by j00j00 May 31, 2015
An extremely annoying phrase used by people who have never heard of "hello." Usually people ask this when they are bored, expecting the person they're asking to entertain them.
Guy: what's up?
other guy: *sigh* stop trying to make me entertain you.
by The Ironic Geek September 27, 2015
What is happEnig friend
what is going on friend?
by Kevin December 04, 2003

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