look up any word, like ratchet:
 
3.
A greeting to find out how someone is feeling and what plans they have or will have.
Hey yo Mike, whattheydo? What's up for later?
by Whitney Bryant February 19, 2007
 
1.
A greeting such as Hello my friend, How are you doing today.
"What they do cuz?"

"Chillin at my krib"
by Tommy November 22, 2003
 
2.
Origin - Southeast. A replacement for "What's up?"
"What they do, lil' mama?"
by KK From Around the Way May 14, 2005