Another name for vagina. A dirty one that leaves marks in the underwear. Sometimes stuff drips out the bottom and runs down your arm while you are eating.
That whore has been with so many people I bet she has a greasy taco.
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.