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The face a man makes when he orgasms. It is said that when you look into a man's eyes while he has his Vinegar Strokes, you can see into his soul. Its also the point in sex where you can't stop and have to finish.
Cathy: "So, how was Jeremy last night?"

Jasmine: "Amazing! He has a funny Vinegar Strokes though."


Jake: "Dude, I called. Why didn't you pick up the phone?"

Jeremy: "I wish I could've, but I was in the middle of a Vinegar Strokes."

Jake: "Oh, I understand."
by asstrick September 20, 2011
the face a man makes before he cums because it looks like he his smelling vinegar.
i walked in on my parents during the vinegar strokes.
by naughtycatholic January 26, 2012
The absolute point of no return while masturbating for both male and females.
While James Docherty was masturbating, he reached the Vinegar Strokes prematurely, again.
by Edward Brereton September 29, 2011
A mans face during ejaculation.
A mans O face is also called a vinegar strokes.
by king kong 05 November 19, 2010
The face a male makes when about to orgasm as if he has sniffed vinegar under his nose.
I wasn't going to stop, I had vinegar strokes going on.
by Mr.knowitall26453738 November 18, 2010
The arrival of pre-cum when having a sherman.
When answering the phone for example
"Bloody Hell that was bad timing I was just on the vinegar stroke !"
by Chris Craven November 30, 2003
The movement and speed of the wrist whilst stimulating the penis, prior to firing your fat.

Similar to adding vinegar to your fresh, hot fish and chips.
Some extra moisture is needed. There isnt enough vinegar on my fish yet, if I give the bottle a vinegar stroke, there will be enough.
by thedaddy1971 September 14, 2010