When an alcohol soaked tampon is pulled from someone's butthole and then placed into a mix drink of choice. That mix is then called a Davy Jones' Locker.
Hey, what do ya say we shove some of this rum up our asses and later we can go back to my place and have ourselves a Davy Jones' Lockers?
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.