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Early signs of erectile dysfunction.
Poor Benny can't even put a condom on because he has cock flop....or.... I was recently informed that cock flop is an early warning sign of heart disease.
by Mr. Jabbers May 20, 2008
(verb): To move or throw ones penis in a heavy, clumsy, or relaxed manner. (Usually considered vulgar)
That man wasnt paying attention and did a cockflop right into the pool.
by ShackleferdR March 29, 2009
The art of slapping someone with your cock. Usually, in the face.
Kevin cock flopped Jerry after the fight.
by Knate63 June 10, 2006
a screw up a big peice of shit a loser
those damn cock flops suck
by Ryan Mann November 20, 2003
saher and harveer are prime examples of cockflops, they instantly make a boy lose a boner

bobby: she just touched it and my cock floped

jon: thats cuz theyr cockflops

oli: camp hill scum!
by camp hill scum October 15, 2007