ones sex face is the face they have when a) one thinks about who they would like to have sexual relations with b) when they are around the person they would like to have sexual relations with.
Could also be the expression one has while having sexual relations with another... noun.
a) As soon as John thought about Kate his sex face came on.
b) John and Kate are MTB, they always have their sex faces on when they are around each other.
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.