Dumb Fuck Disorder. A state in which someone is so fucken dumb, it becomes seen as a disorder in the modern society. It is rather contagious and should be treated immediately by a medical professional.
Boy 1: dude i got a dildo shoved up my ass and it got stuck.
Boy 2: y would you even do that? you have dfd man, go get it checked out by ur doc.
Boy 2: y would you even do that? you have dfd man, go get it checked out by ur doc.
by realdawg70 March 19, 2014