1. Exploding Penis; also known as Enormous Exploding Orgasm (EEO) 2. The act of cumming while yelling loudly.
EXPEN, now in three different strengths....99 cent Super Soaker, Fire Hose, and Old Faithful. 2. I had such a big EXPEN last night, someone called the cops!
by Travis F, and Kirk R February 28, 2008
a rap group consisting of: Travis Barker (Blink 182), Skinhead Rob (The Transplants), and Paul Wall (Get Money, Stay True)
by jake182 May 25, 2008