It's the atmosphere created by repeatedly farting in the same room. Its somtimes seen butt mostly smelled.
Like when you smoke in a room the smokes rises to the top of a room. Except with farts you can't see it. You still have to stop , drop and crawl to exit the room for safety. A fartmoshere is heard and smelled butt not seen.
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.