When someone tries to hard to be funny; when someone roasts you
John: says a joke
Dan: "that's a quinch"
by Tapjr May 23, 2015
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Quinch, or Quinching, is when a female is about to Quiff (fart out of her vagina) but pinches it, or stops it, from coming out by contracting her vaginal cavity with such intense force an actual diamond could be made by sticking a piece of coal into it mid quinch. Also usually met with an intense or ridiculous facial expression
Shawn: DIANE! Did you see Amy's face?! She def just quinched.

Diane: What the christ is quinch?

Shawn: You knowwwww...when you fart out of your vagina and the you stop it from coming out...?

Diane: Fuck you
by EvAn-DoReY September 26, 2009
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One quinch is roughly equivalent to six earthly inches. The term was created to determine measurable snowfalls.
The number of August fogs will equal the number of snowfalls exceeding one quinch in the winter.
by Quincens December 18, 2008
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A gay man who has never experienced a woman, not even once. A pure bred homosexual.
Tom Brady is a quinch. Gisele is his beard. All of his kids are really fathered by Marky Mark Wahlberg including the one with Bridget Moynahan.
by Howard Alan S. January 11, 2014
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A female bodily reaction: to quinch is when you queef when someone surprise pinches you.
I was pinched at work the other day and accidentally quinched.
by Sgt_Showboat August 31, 2018
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