Definitions by J.A.K.E. L.O.T.

hat trick 

The act of engaging in sexual intercourse with a hat on (doggy style), and as you climax, pull out and ejaculate in the hat then slam it upon the sluts head.

Aaron: Jon why is Emily's hair all fucked up.
Jon: I straight hat tricked that bitch.

hat trick by J.A.K.E. L.O.T. October 30, 2011