This is Why You Should Tip At Least ONE Whole Dollar [VIDEO]

A man and a woman in Tennessee delivered an order from a Mexican restaurant to a woman who only tipped 89 cents when she paid online. So before they dropped it off, the guy recorded himself dipping his BALLS in her salsa.

Then police got involved. He's now facing 3 to 15 YEARS in prison for "adulteration of food [or] liquids," which is a felony. Check out his mugshot!