The act of shaking hands as if greeting an individual in which you then whip out a machete with your free hand and lop his gripped hand off at the wrist. You may then do what you wish with the hand.
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the USCoast Guard in the area of Southern Florida.
"Base we've got some square groupers floating outside of Miami harbor."