An acronym for 'what did he mean by this'. Commonly used to call into question the statements of others, but also often used in jest to point out the obviousness of a particular statement.
Person 1: Can't go out tomorrow night, I've got to go get cucked.
Person 2: WDHMBT?
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.