Bullhead Clapper 

Foul, Raging STD in which the head of the Penis is Swollen to the size that of which a Grapefruit is associated. Only course of Action, is to beat the Penis with a small mallet until puss is excreted through a rip in the skin.

Man=Doc, i think i got the clapper
Doctor=Well looks like its time to get out the hammer and start whackin'

Bullhead Clapper by Edgar Allen Hoe January 3, 2003