Finds its origins in the video game "Team Fortress 2" where the sniper character class has a secondary weapon called "jarate" which is a mason jar full of (presumably his own) urine. When he throws it, he says "jaaarate!" and if he scores a hit, gains attack bonuses against the unfortunate target.
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.