No really, usually when a girl is called duckfaced, I think it's cute.
For instance... People sometimes ask why Tumor always keeps her mouth open on pics (what a strange thing to say...).
I always think it looks really nice. Not the fact that it's open, but the shape of her mouth. I like it
.
This is a picture I made of a friend of mine:
She has a really peculiar mouth. I think it's quite sexy, but it sure is different