The Act of getting fuck over by a good friend, girlfriend or babies momma. Getting McFisted is unforgivable and resolutes in disownership of persons.
That bitch just McFisted me, how the fuck you going to sleep with my brother while pregent with my child....yep you got McFisted...
by fdky25 May 24, 2010
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When you get a hand job from someone with Parkinson's disease in the passenger seat of a Delorean.
My buddy's grandma gave me a Marty McFist for my birthday!
by Sleazy Gonzales September 22, 2017
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