An expression commonly mistaken with "what's the haps", What is you up to is the complete opposite. The expression simply means to wonder as to what activities another individual is partaking in at any given moment.
brotha:YO, what is you up to
hommie:just chillin with some peeps.
brotha: fly!
by SLICK MOTHA April 17, 2006
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What you up to? Used to enquire about ones intentions for the specified time period.
what you hittin up tonight?
by Malbon July 12, 2006
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"What have you been up to today?" is a question that asks what you have done all day, like work or leisure activities, in the past tense.
Q: "What have you been up to today?"
A: "I was at work until 5:00pm, and then I went to the store to pick up some milk."
by gothprobz May 15, 2009
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a way to address a room full of people, in a public and/or private place, perhaps after one of those " i just don't give a shit" days.
scene: walking into the break room after you've realized the last 4 hours you've been working have produced nothing but shit.

enter room:
person 1: hey bill whats going on
person 2: bill, BILL, billy boy!
person 3: hey billy

bill: (mumbles) yeah um hum... WHAT'S UP YOU MOTHER FUCKS! hows your day asshole? Mine's turned to shit how about that? :promply walk to the vending machine grab your snack in the midst of the silence and go outside to smoke:
by jadiepoetatie January 29, 2007
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