Defintion: A person who behaves like an asshole; a person that is inconsiderate or inpolite.
History: Though it takes it's name from a person being especially tool-like at a concert and pushing people aside when there was no path or movement simply because they are bigger, the phrase is expanded to serve to describe any kind of person who behaves like an asshole in any situation. It does not attempt to make any loathing against those who wear sweatervests in normal life situations, but it is notably strange to wear one into the GA section of a punk-rock concert.
"Man, did you seethe way that guy pushed that girl?"
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.