(verb): To move or throw ones penis in a heavy, clumsy, or relaxed manner. (Usually considered vulgar)

A casual invitation / threat used by an individual that is not afraid of fucking someone up.

1) The act of delivering an inexplicably disappointing performance, usually within the context of a college football game or season in which you were highly favored or ranked; 2) The act of failing miserably on a grand athletic stage when your fan base expects you to be better than you were in previous years even though your best players have all been drafted; 3) Beating the #1 ranked team in the country, only to fall to the conference Cellar dweller the next week.

Early signs of erectile dysfunction.

The art of slapping someone with your cock. Usually, in the face.

saher and harveer are prime examples of cockflops, they instantly make a boy lose a boner

a screw up a big peice of shit a loser