The maneuver wherein, while preparing to engage in sexual behavior, the male partner of the couple suddenly turns his partner around and proceeds to penetrate him/her anally. Usually used with "the ol'" in front of it, as below.

This is derived from the name of the character in the film "Brokeback Mountain" on whom this maneuver was performed.
"He made her think he was after some oral, but he gave her the ol' jack twist!"

"Ennis wasn't about to blow him, so he gave that cowpoke the ol' jack twist."
by LemonSawdust April 30, 2006
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An unfortunate or ironic series of events. Especially or pertaining to homosexual behavior and displays.
Jack was the victim of a Jack Twist of fate one super day when he was to march his taunt glutes in the local gay pride parade, but instead received a mexican snake bite en route from an anti-abortion lobbyist. This is a true Jack Twist of fate.
by holy frijole May 3, 2006
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When a partner is stroking a meat pole in an up and down motion while simultaneously twisting the wrist for increased pleasure. Also known as “Peppergrinding”
Sally Strokes gave me one heck of a”Twist Jack” last night in her car!
by Big John Swellington October 11, 2020
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Unofficial term for that special moment in yaoi fanfiction when the uke is magically able to take everything the seme gives 'em, no lube required. Inspired by the movie Brokeback Mountain.
"Hey did you read that hot new Gerita fanfiction that came out?"
"Yeah dude! Italy totally was pulling a jack twist in that one!"
by MotherPrussia September 20, 2013
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