A chocolate tranny is when you have to shit extreemly hard and you get a black chick to stand behind you naked while you pull your pants down and let er rip onto her pelvic muscle.
Frank: Dude I have to shit so bad.

Steve: Yeah get Sha-Nay-Nay she's a fuckin whore who'd love a chocolate tranny.
by Owned by Don September 23, 2008
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