A sex act where you convince your girl to have anal sex, then zap her with a taser while doing the deed.
Man, my girlfriend and I did The Squincher last night, and my nuts are still tingling!
by dick tillman August 03, 2009
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A sex move whereby upon reaching climax, a man grasps his penis and presses his thumb against the tip like it were a garden hose, producing a similar wide-angle spray.
"How come the bathroom walls are so sticky? Rick must have squinchered again!"
by drinkofindustry October 04, 2008
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Jesus dude that shit was a major squincher

Have you heard about that brand new roller coaster? I hear it's a real squincher.
by Ongrong February 20, 2019
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