ATFU 

A tall fuck up

Just like Alex

Alex is a ATFU

ATFU by mani number two February 24, 2019

ATFU 

A tall fuck up

Just like Alex

Alex is ATFU
Mani is not ATFU

ATFU by mani number two February 24, 2019

ATFUD

Ask The Fucking Urban Dictionary. A declination of ATFG, most likely used for words that n00bs don't know.

g33k: roflmaostcshfootwabhnafitgcad
n00b: OMG WTF IZ TAHT WORD?!
g33k: ATFUD

ATFUD by SyrFox February 8, 2008