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1.
A chin that is fit for two, or in some cases three, or four people.
Damn, Jim Smith does have a big chin, perhaps even borderline enormous.
by Dustan G May 30, 2007
23 15
 
2.
A fuckin huge chin that makes you go holy fuck look at that chin its huge. See Jay Leno
Holy shit look at that guys big chin its massive it must take up half his face.
by whytsyed February 07, 2007
23 18
 
3.
A member of the upper classes, A snob/person of wealth
Derived from the family guy character James William Bottomtooth III
David Cameron is a Big Chin

The Royal Family are Big Chins

The Snobs that just radiate that big chin vibe.
by vivalamike August 11, 2011
4 3