1 definition by McGrimmace

When someone else orders a McChicken and you fuck directly afterwards while still in the McDonalds.
Person 1: "Hey, is that a McChicken?"
Person 2: "Yes"
Person 1: "Wanna fuck?"
Person 2: "Let me finish my McChicken first."
Person 1: "Let's make it a McChickenFuck"
by McGrimmace October 24, 2011
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