Someone who literally jumps another person they're fucking, and usually there's a lot of flipping, spinning, and swinging (sometimes from trapeze).
The acrobat girl with the caribbean pufferfish haircut would climb up five stories, then jump the girl she was fucking. It was their favorite thing to do when they weren't doing the circus, the girl was the most acrobatic fuck in town.
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."