When you squeeze together either sides of your chin it and it does not crease. 
If it does crease, it is a bum chin.
If it does crease, it is a bum chin.
by Gemmer September 6, 2006
Get the cherry chinmug. Terrible facial hair, normally grown on the chin. Unlike goatees and beards, chin-fuzz often looks ungroomed and out of place. It can also resemble pubic hair.
by Steve-O, the King of the World April 24, 2006
Get the chin-fuzzmug. by whytsyed February 10, 2007
Get the big chinmug. by Rbomb04 July 26, 2014
Get the pickle chinmug. a cool ass, smart ass, slow ass, LIT ass teacher who apparently is a white girl in disguise. Be careful around him, cause if you accidentally fold your Science Project he gon bust your ass.
HAppyMeals: "Yoo the sub doesn't know how to shoot a basketball, has a Starbucks Gold Card and can't do math."
CareBear: "Stfu Mr. Chin is OG"
CareBear: "Stfu Mr. Chin is OG"
by TheAmazzingHulaHoop June 17, 2016
Get the Mr. Chinmug. when you perform anal sex on a girl, then once finished you go down on her and she shits on your chin.
by festunga May 9, 2007
Get the SHITTY CHINmug. 