Top Definition
When two people make-out by rubbing each other’s teeth together instead of using the lips and tongue. The resulting contact makes a disturbing gritty tapping sound.
Person 1: "I was at a party and two people started skeleton kissing. It was the weirdest thing I have ever seen."

Person 2: "Dude, that is disgusting"
by whalebones September 05, 2009
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