"what it do" means whats up used
mostly by people from houston,tx.
What it do its paul wall im the peoples
champ.
"hey(hi) how are you?"
What it do Bruh(brother)? <<<<-wh/isn't your relative,3ut a friend/associate
What's up, what's going on, etc.
"yo matt, what it do?"
or
"what it do, kim? ain't seen you lately."
a term originating from the bay area sideshows
"what it do" MEANING "what can your car do? swing 'em! do donuts!"
How are you doing, what's going on, what's new?
"Hey gurl, What It Do?"