Someone who walks away quickly before a door closes for the door to then be shut infront of someone's face. Similar to the motions of a salmon upstream.
Phil was a slithery salmon every day after science class and never cared to open the door.
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."