When a whole bunch of retarded people get in a sack, get someone to tie it closed and then they have sex while being beaten from the outside with catoprods.
"Man I was so horny last night, I just had to have a sack of fuck with my mom and dad and dog."
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."