Created by: LotusB
Definition: n., A cut, or puncture wound on the roof of the mouth inflicted while consuming dangerously crunchy-sharp foods, like potato chips. v., To cut the roof your mouth while eating extra crispy snack foods.
Sentence: Chowing down heavily on a family size bag of chips, and preoccupied by the awesomely terrible movie on TV, young Jenny must have munched too much - one got her right on the roof of her mouth! That Potatabrasion stayed sore all day! And I'm sure the salt didn't help, either!
Etymology: Potato + Abrasion + Potatabrasion