Slang for - what about you. Used on instant messaging. May also be - w.b.u
Chatspeak for 'what about you?'
Sarah: How are you?
Jennie: I'm good, wbu?
someone who likes cock, and has severe interest in a cock.
Person 1: Hey jake, hows it going?
Person 2: Nm andy, wbu?
The word WBU has a mysterious past, no one knows what it means only when to use it.
Now, the "Gamers" (People who play computer games) use the word WBU as a word for asking what the other person has been up to the past few days.
I can finally tell you the word WBU stands for;
Jon: Hey there
Mark: Hey dude, wbu?
Jon: Not much, chilling, u?
Mark: Been partying woo