When a woman purposefully holds a bowel movement until her menstruation period. She then let's her boyfriend have vaginal sex, but quickly moves to anal (as to not lose any blood aka rust) and tries to dig a hole into her impacted feces.
Jerry Springer: My wife hasn't shit in almost a month, man.
Steve Wilkos: Well then she's almost due for rusty Mud shovel, huh?
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.