Literally, a quarter-inch. Something small and insignificant or dull and unimportant.
Barack Obama, not to mention every President after Andrew Jackson, is a mere quinch, owned and operated by The First Sphere of Influence.
by William Dean A. Garner November 7, 2011
When someone tries to hard to be funny; when someone roasts you
John: says a joke
Dan: "that's a quinch"
by Tapjr May 22, 2015
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 27, 2009
One quinch is roughly equivalent to six earthly inches. The term was created to determinemeasurable snowfalls.
The number of August fogs will equal the number of snowfalls exceeding one quinch in the winter.
by Quincens December 18, 2008
A female bodily reaction: to quinch is when you queef when someone surprise pinches you.
I was pinchedat work the other day and accidentally quinched.
by Sgt_Showboat August 31, 2018
Someone so attractive to the point that others have to clench their buttocks in order to hold in their gas.
I had to fart so badly, but then I saw a Quinch.
by Twiffinch February 26, 2019
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 12, 2014