Something or someone that is worthy of causing a "headache," which can refer both to a physical pain in the head and to something that causes great difficulty and worry
"Did you see what she did today? Ugh, it's so annoying. She is so headacheable"
"She is so headacheable, she kept burping into the mic"
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.