The mangled, ugly, dry, scaley, facial skin that some individuals contain.
That guy who was married to my physics teacher in 12th grade had sharer-skin. His face looked like someone tied his feet to their bumper and drove their car down creek road.
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."