Top Definition
The act of fucking a McDonalds double cheeseburger.
"Oh man, last night I was McFucking all night long."
by McSmexyLoven'It February 10, 2010
A popular word used by people with colorful and inside humor. "McFucking" does not have anything to do with McDonald's, It's simply a cute way of saying "fucking".
"That was McFucking delicious"
"Bring your McFucking ass over here"
by Wink-Wonk June 02, 2016
fornication after or before eating McDonald's food.
we were mcfucking like rabbits.
by theblackhandx June 17, 2009
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