Another word for a grotesque girl. Basically it is the ugliest girl you have ever seen. "Peppa" girls might include: fat girls, messed up teeth girls, pimples/acne or all of the above.
yo man i was walking down the street and i saw a peppa girl!
Friend 1: (eating at a fast-food place) "Peppa-refill!"
Friend 2: (Who now had to go get it) "Fuck you!"
Friend 1: (Now Pissed because friend 2 is a Faggot!) "Peppa my fist in ur face!"
**Once peppa is called someone has to get what was peppa'd