Shake hands with J.F.K.

It means "to masturbate".

Brb, ima go shake hands with J.F.K.!

by Adam and Lenny September 03, 2006

nip dip

When a girl dips her nipple into some sort of dipping sauce, and have a male (or female) lick it off.

"Hey, Charlotte lets go nip dip in some ketchup, and have steve and joe lick it off!"

by Adam and Lenny September 16, 2008