The back of the bus, where it was BELIEVED black people needed to sit back in the fifties. (We've come a long way since then in research and develpoment)
This is where all the cool kids hung out in Junior High. The closer to the back of the bus one is usually signifies one's social status. The losers(i.e. nerds, retards, smelly kids, etc.) sat in the front, while the cool kids(i.e. jocks, rich kids, sluts, etc.) sat in the back.
"Dude, look at that slut Sally making out with Billy in the back of the bus!"
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.