Meaning literally 'Seize the pussy' Possibly an anachronistic term having to do with the magistrates in Britain in the middle ages and the rampant alley cat problem. It has evolved into more mundane use.
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."