Jack Blade quote from Tropic Thunder. His character was experiencing withdrawl from cocaine and he was tied to a tree. Crazy shit ensued.
Basically, It means your mother sleeps with everyone and has deseases between her legs, and most likely, you are unwanted crotchspawn.
"Your mother is a cankerous whore!"
"Damn."
"Hey, remember that time I called your mother a cankerous whore? I didn't mean it man, she's a nice lady." - Tropic Thunder
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the USCoast Guard in the area of Southern Florida.
"Base we've got some square groupers floating outside of Miami harbor."
A sunburn or suntan focused on the left arm. It is caused by the left side of the body being the only half that gets exposed to sunlight while driving. Presumably, it would be located on the right side of the body in countries where they drive on the left side of the road.
I had a trucker's tan after driving for 10 straight hours on a sunny day.