What is Underbite?
1.
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...
i gave my roommate's mom the underbite last night.
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2.
when your eating pussy and you get a mouthful of shit
Fuckin Bitch, I just got an underbite.
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Random Words:
1.
When you are horny, and someone near you is only making it worse, often on purpose, with no chance of imminent release.
I was driving w..