A welshism is a phrase used particularly by welsh people that can mean both everything and nothing in most circumstances. A welshism may also be a form of a word in the english language that has been bastardised through a blend of welsh language and accent. Such phrases are believed to be meaningless, but among Welsh people can save time when talking of potentially drawn out matters of domestic and vocational concerns.
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the USCoast Guard in the area of Southern Florida.
"Base we've got some square groupers floating outside of Miami harbor."
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.