YFU 

netspeek for "you fucked up"

Management doesn't hand out much praise, but they seem to provide dishes of YFU.

YFU by allbad September 6, 2005

YFU 

You freed Up? A question you ask an attractive person who is dating someone else whilst you wait your turn.

Man to Rihanna (off of music fame): "Hey YFU?"
Rihanna: "Sure am!"
Man: "Is it my turn?"

YFU by GMLK May 14, 2013

YFU 

Text abbreviation for "You're Fucking Up". Must be pronounced "Ya Fackin Ap" in speech

Not Hoppa: Hoppa, did you forget to feed the fish for the last 45 days? Because they're all dead and this bag of food expired 2 months ago.
Hoppa: Oh yeah, sorry man I just got caught up editing this short film.
Not Hoppa: YFU.

YFU by ryangoebel December 16, 2013

YFU 

You fucked up.

figure out how to unfuck it. YFY
you fucked with the wrong bitch
YFU

YFU by PineappleJuice March 6, 2015

YFU 

You Fucked Up.

Usually used on discussion boards, when one does something wrong.
Nevertheless, it has a friendly connotation.

YFU

YFU by YFU May 22, 2011

YFU Baby 

YFU Baby, or YFU for short, is a 3D anime-styled virtual musician and live streamer. She live-streamed her debut on Twitch in July 2020 and has since released her first EP Sixty6 on a majority of music streaming platforms. During her live streams, she communicates with fans, performs music live, and interacts with her artificially intelligent Smart House GIGA. On the 15th of September 2020, she became the first virtual entertainer to interact on Instagram Live, calling hip hop artist The Hxliday.

Yo did you hear that new YFU Baby song? It's amazing!

YFU Baby by Mr. Rhyme Mime July 8, 2021

yfugzyhtddfhmjcxuyndgxfbr 

The line of text that is made when someone's head gets slammed into their keyboard

GUYS, MY MOM SAID IF I DON'T DO MY CHOIRS SHE WILL SLAM MY HEAD INTO MY KEYBOAyfugzyhtddfhmjcxuyndgxfbr

yfugzyhtddfhmjcxuyndgxfbr by Qal December 16, 2022