Acronym - Man the fuck up.

Man the fuck up.
Man the fuck up.
Man the fuck up.
Man the fuck up.
When losing at beer pong or caps, tell your teammate he needs to man the fuck up. "MTFU, Juice."
by Dansas October 30, 2006
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Man The Fuck Up!

An exclamation of disgust aimed at an individual who is incredibly weak willed and looks like they are going to either blub or piss their pants!
Oi fairy, have another pint and MTFU!
by Johnny 2 Sheds! May 29, 2009
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David: You heard what Stacy did to Brian

James:Yea that's mtfu
by Inigma January 18, 2017
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man trans fag undercover

when you see the mtfu bumper sticker or your favorite bars being invaded by mtfu
my favorite bar just got taken over by mtfu (man trans fags and undercovers) time to find a new bar
by dabz7lO February 20, 2020
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