Define Underbite Meaning

Underbite
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.
By Leonie
Underbite
when your eating pussy and you get a mouthful of shit

Fuckin Bitch, I just got an underbite.
By Robyn
Underbite Chia
Someone who has a major underbite with crooked teeth. And chia pet hair.

By Kacey
Alabama Underbite
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.

Ol' girl was going at me good and then dropped her dentures and hit me with an Alabama Underbite.
By Sara-Ann
Severe Underbite
Severe underbite -- when it smells like pussy but it tastes like shit.

She smells great but tastes funny -- I must have severe underbite.
By Miguela