What is Bat Man?
A man with a cock the size of a baseball bat.
Watch out! John Holmes is bat man. If you're not careful, he might accidentally shishkabob you! Unless you WANT his poopy pecker head cumming UP your throat!
A man with a really huge penith.
FAG: Hello! Whoothe that dude over there?
MOTHETH: Heeth Awethome! Bat man babe. Hith penith ith tho long I wath thucking hith peckerhead while he wath fucking my ath!