The act of wearing army fatigues, camouflage face paint and a combat helmet while whacking off to porn at maximum volume to simulate the sensation of masturbating in the middle of a violent war zone.
I came home from church this morning and went Full Metal Jack Off on my horn.
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."