1 definition by MUSTANG690
Another name for the certain reproductive organ of a kid in Wisconsin who's about 6'2. Not to be confused with Pony Express who claims to have Mustang. Mustang stands about 8".
Asian: DUDE you can't steal it from me, I'm MUSTANG!
White Guy: I told you, you're Pony Express. Small and fast.
Downie: He DID sign it..
White Guy: No, I autographed it.
White Guy: I told you, you're Pony Express. Small and fast.
Downie: He DID sign it..
White Guy: No, I autographed it.
by MUSTANG690 June 21, 2006