a small, but sturdy peice of flat material (usually wood or plastic) that when attatched to the user's inner thigh creates a wonderful area in which to rest his nuts
Maurice got hit in the balls by a savage ape child so now he wears his nut shelf for support.
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."