Someone who only performs when a superior observes them; not a team player. From US Army Ranger school slang for a ranger student who doesn't give his all unless he is the one being evaluated on a mission - ie they only perform in the spotlight.
Jones is such a spotlight ranger. He didn't help with the project and then when the boss arrived he handed out the packets as if he did all the work.
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.
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.