when you're making out with a chick, and you slide your hands down her pants and pinch her bare ass. UNDERBITE!!! see the intruder...
by nate fingerman July 17, 2006
by AlBundyisgod1906 April 09, 2006
by shrogor cheet January 08, 2020
When an inbred looking girl without teeth is going down on you and then sucks your balls from below, not under, like a fish to bait.
by Hoodlum Crew April 19, 2019
by Al Berich October 03, 2020