look up any word, like smh:
 
1.
A term usually used by a female you like, that is trying to get you to leave her alone when texting.
Guy: Hey, what's up?
Girl: Nothing, wbu?
Guy: Uhh, nothing.
Girl: Sounds fun.
*Guy throws phone out window and starts to cry himself to sleep*
by Jake from KS State Farm July 22, 2013