What is the meaning of the term body shot?

A body shot is used specifically to refer to a shot of liquor, normally tequila, that is consumed from another person's body. The shot is typically placed in the area of an erogenous zone. Tequila is often used so that the person drinking the shot can lick the salt from the person's body, also often an erogenous zone, before consuming the beverage. It is designed to be a public sexual display, and in some bars it is a requirement of female employees to participate.