WAB is abbreviation for wet ass butt.
This term is used when someone or something has a dripping anus full of sweat.
Nolan: eww whatâs that smell!
Logan: I donât know..
Nolan Ewww you have WAB!
WAB is a abbreviation used when some has a visibly sweaty butt.
Joe: Wow Iâm sweating! (Joe has a visibly sweaty butt)
Bob: you have a WAB!!!