This is what happens when a phlebotomist or nurse is being careless, or the patient is flailing their arms around. This is when your needle being used for a blood-draw sticks you and gives you whatever disease your patient has.
Phlebotomist: "That damn mental patient tried to attack me and ended up giving me a needlestick. Now I have AIDS."
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.