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1. McFuck-up
n: When a fast food restaurant employee makes a mistake while taking and/or making your order

v: To perform a McFuck-up
"Dude, that guy mcfucked-up and gave me the wrong sauce."

"Look at this McFuck-up!"
buy mcfuck-up mugs & shirts
mc fuck up mcfuck mcfuckup mcfuck-up mcdonald's mcdonalds restaurant fast food fastfood mcgangbang mcgangbanger burger king wendy's wendys mcfcuk mcfcuk-up
by iGiraffe May 10, 2010 add a video
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