Top Definition
Two McDonald's McDoubles combined to have 2 buns and 4 hamburger patties
Hey bro, wanna go get a McButtFuck after school?
by kodeeman February 16, 2012
a mc buttfuck is similar to the mc gangbang, but istead of a mc chicken in a double cheeseburger, it's a mc chicken in a big mac. delicious.
i had a mc buttfuck once, it was incredible, so incredible, i could never have one again.
by bajek11 June 20, 2009

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