The act on the part of two or more candidates or eligible people for a certain position of strength such as a political seat as just one example, to start throwing insults and accusations against the opposing party in order to make themselves look better by comparison.
Hillary Clinton and Barack Obama in trying to get the Democratic nomination are resorting to low-brow, low blow mudslinging.
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.