Define F-u Meaning

F-u
Possibly the worst finisher in pro wrestling history, done by none other than john cena. You want to know what an f-u feels like? Do a somersault on your bed. That probably hurts more than the fucking f-u.

The f-u, one of the most "devastating finishers" WWE has to offer.
By Alejandra
F U
a short way o saying "FUCK YOU" for the lazy ass people like me

By Madella
F U

"f u, you little cock sucker"
By Annemarie
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 Annaliese
F U
The good ol "Fuck You" But Shorter

By Nydia
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 Robby
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 Hatty
F U
Acronym for "Fuck You!" for those nice people who just can't seem to let the swear word slip.

"F U you big fat meanie!"
By Agnola
F/U

I will f/u with what they said in a few days.
By Pammi
F U

What, you thought it only meant "Fuck You"? But it is a good way to fuck with people.

1: "F U!"

2: "WUT!?"

1: "Florida University? Duh"

2: "Wait, what?"
By Odilia