The act of tucking in your undershirt into your boxers or underwear for a better feel and control. It keeps the undershirt from getting untucked and bunching up at the bottom of your tucked in outer shirt.
Oh man I am so glad I am dringing it today, usually when I fly my undershirt bunches up and I look sloppy.
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."