A phrase used at the end of a rather boring story to see if the listener was truly paying attention.
Person 1: "..and then I went to the mall to get these oh-so fabulous shoes, and then..."

Person 2: *Snores*"...."

Person 1: "And then I fucked your cousin."

Person 2: "Wait what?!?"
by Therapist420 February 18, 2014
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A deformaty of the body when cousins or relative have sexual intercourse
Danny R.'s head is huge.

Yeah I know thats what happens when cousins fuck.
by Livreri July 12, 2006
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The most deadly diss ever to exist in man kind and totally cancels out “ur mom gay” “your dad lesbian” and “your granny tranny”.
Joe: ur mom gay lol
Steve: ur dad lesbian haha
Joe: THATS IT
Steve: CHILL JOE I WAS JOKING
Joe: Your cousin fucks dozens
Steve: chokes on a rock and fucking dies
by Skrttttt March 20, 2018
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