1 definition by The Duff Veteran
When you are fucking a girl for the first time anally, you pull out too fast and the girl begins to shit uncontrollably.
Person 1: Dude OMG I heard you got with (girl's name) last night ..
Person 2: Yeah I'd rather not talk about it, it was a bad case of The Duff.
Person 2: Yeah I'd rather not talk about it, it was a bad case of The Duff.
by The Duff Veteran November 9, 2010