F-U

Current WWE champion John Cena's oh-so-intimidating finisher. An overglorified standing fireman's carry.
Typical announcer over-reaction:

OH MAH GAWD! It's the F-U! Cena picked him up on his shoulders, and dropped him to the ground! A lesser man would have died from such an attack!
by El Toro Grande October 04, 2005
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F-U

We put the F-U back in FUN!
by Dark Chaos December 21, 2003
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F-U

That's the F-U! It's named like the F5, because it's so similar!
by lee May 08, 2003
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f u

a short way o saying "FUCK YOU" for the lazy ass people like me
by sean bucher September 13, 2004
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f u

"f u, you little cock sucker"
by No One April 06, 2004
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f/u

Shorthand abbreviation for 'follow-up', typically used in electronic communication, to indicate that a subsequent discussion should occur or has occurred on the topic in question.
Person 1: "Did you want to talk about last night?"
Person 2: "Yes I did. I was hoping we could f/u on the fact your sister is stupid whore."
Person 1: "Oh yeah, bitch? Fuck you."
by T_Whatevers May 30, 2011
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A F U

"All Fucked Up". When something has been totally messed up. Also see SNAFU
"After breaking his wrist, his pool game is A F U"
by Matkowitz April 05, 2008
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