A person, normally a female, that has a small scrunched up face. The nose is normally really small and wide, whilst the cheeks are small, yet really chubby. It is also used as another word for a nice body, but an ugly face. See butterface.
Tom: I don't understand why Taylor thinks she is just the sexiest scene queen since the dawn of time.
Jim: Why is that?
Tom: Just look at her! Yeah, her body is nice.. but she's got a piggy face!
Tom: Yeah... she kind of does.