This is when you do a thrusting motion naked so your penis is whipping back and forth, then you put your thighstogether and catch your penis when it's behind you, then finally you jump around 180 degrees, and bend over. VOILA it's a dickbutt!
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.
"Base we've got some square groupers floating outside of Miami harbor."