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."

f/u by T_Whatevers October 27, 2011

F/U 

Stands for "follow up."

I will f/u with what they said in a few days.

F/U by California Love Baby July 30, 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."

f/u by Veggiecat December 15, 2008

f'u

A more polite way of saying 'fuck you'

Me: Damn! That girl looks hot.
Friend: f'u, man that's my girlfriend

f'u by Dick-tionary( ͡° ͜ʖ ͡°) June 7, 2021

f u 

a short way o saying "FUCK YOU" for the lazy ass people like me

f u u stupid ass piece of shit

f u by sean bucher September 12, 2004

f u 

Fuck You

"f u, you little cock sucker"

f u by No One April 5, 2004

f u 

The good ol "Fuck You" But Shorter

1. F U, u Fucking Asshole

f u by Dis Dizzle November 20, 2006