When a person is sitting on a vault latrine, suddenly slamming down the lid on the other side of the latrine, creating a breeze which will travel through the vault latrine to the occupant on the other side.
When you fart while in a hot tub. For some reason, the heat causes the fart to smell worse and have residual ass oil float on the water and permanently stain whatever it touches.
"Man, John let out this sea breeze last night, so now I have to clean our puke and sand the inside of the hot tub."
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.