Quad Chin

When a person, usually overweight, has large amount of fat under there chin resembling extra chins. A quad chin is two double chins combined.

Her: Holy crap, that fatass has a double chin!
Me: No, all that layer of chin is a quad chin

by ablaz3d February 26, 2011

Quad Chin

When yo balls hit the girls chin when she sucking your penis

Hey Stacy guess who got an quad chin last night!?

by MyPseudonymStolen November 19, 2018