1 definition by Kenton The Plumber

Top Definition
It is another word for McChicken but implied to make fun of fat people. Also used to insult someone.
Hey do you want a McFuckYou?
Do you want 20 McFuckYous up your ass?
I'll give you 4 dollars for 4 McFuckYous.
by Kenton The Plumber April 27, 2011

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