How people who are too lazy to add a single apostrophe to a word, spell the phrase, "What's up?" (What-is-up?).
Man: Hey man! Whats up! I'm so lazy that I decided to leave the apostrophe out of "what's", that way I can conserve more energy. You know, because I oppose global warming and all that.
by Hold My Umbrella June 14, 2011
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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
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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
by The Billionth Random Monkey December 15, 2014
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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
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A question about what another has his attention on. What is he thinking about or busy with? "Up" in this usage is referring to a slag from around the 1930s meaning: occupied with or busy with.
When I saw him he was angry so I asked "what's up?". But he would not tell me what he was angry about.
by Scottmana September 15, 2007
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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
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