F-U

John Cena's version of the DVD.

That's the F-U! It's named like the F5, because it's so similar!

by lee May 7, 2003

The F-U

John Cena's finisher move (came before the STFU).
He came up with this name when he was in a fewd with Brock Lesnar, whose finisher move was the F-5.
Also an abbreviation of 'F*** You.'

"Yo, Brock, your finsher's the F-5 - well, mine's the F-U!!

Person 1: (gets nudged by bypasser) Aww, F-U!!
Bypasser: Dammit, just say the word man!

by Greg A Woodin August 6, 2007

F U

2 possible notations in the algorithms for a mini, rubiks, revolution, and professor cube. In other words it's termonology for the 2x2, 3x3, 4x4,....AxA rubik's cube.

There are other notations such as R and L (right and left). Adding a lover case I (i) after each notation means it is the inverted notation (opposite).

F R U Ri Ui Fi is an algorithm for the rubik's cube. F U are 2 notations in the algorithm.

by Neilzy January 12, 2008

f u

an abrevation for Flute

Niki: hey you know what? f u !
Tino: flute?

by t.i.n.o. December 29, 2005

f/u

follow-up: to pursue in an effort to take further action

"Thanks for the f/u. I can always count on you to resolve my concerns promptly."

by Veggiecat December 15, 2008

Kung F-U

When you flip someone off after giving them a square hit to the jaw.

Yo man did you see Larry last night?! He punched a nigga in the jaw then flipped him off! He totally Kung F-Ued him.

by DDSavage April 11, 2016

ctrl+F+U

From the web series Red vs Blue, Caboose's keyboard shortcut at command for every time he team kills.

Washington: "I told them Caboose did it. Apparently they already have a shortcut on their keyboard for recording his team kills"
Caboose: "Ctrl+F+U"

by confusedfish January 7, 2010