Smackup Edit Meaning

1. The act of ejactulating twice during intercourse. Damn biatch, how's THAT for a double boom ;-) Damn son, you know i double boome..

1. In reference to the popular Disney show, Jett Jackson starring Lee Thompson Young. It is when a man has a one night stand and on his way..

1. a person who only has one hair down there ;) (usually from guys named derek) derek has a brown unihair. See hair, brown, uni, derek..