Cosby Cocktail

The act of coitus between two men, where the "fucker" puts a sedative tablet in the head of his penis, to insert into the "fuckees" anus, where it will become active. Once inserted, the "fuckee" will now have a tail, made of cock... a, cocktail and "cosby" cocktail, due to the sedative.

"Ah yeah, my rings stull hurtin from when Steve gave me that cosby cocktail last night".

"Ah yeah Dave, how did you like that cosby cocktail"