When you commit a typographical error, but the error itself just happens to be another correctly-spelled word that _might_ actually work in the current context, which makes it far more confusing and hard to spot than if it were just a misspelled word.
Kevin: Hey look, my murder is on the TV!
Everyone Else (after a period of confusion): ..... did you maybemean "mother"? .....
Kevin: whoops sorry
Everyone Else: Looks like Kevin is Kevining again...
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.