Definitions by LucasRCD

fuk u 

A sarcastic way to say "fuck you". Mostly used on chat services such as IRC and other sites that have chats. It's not meant to be taken seriously, so keep this in mind.

Person 1: Wow this is so stupid
Person 2: fuk u
Person 1: no u

fuk u by LucasRCD July 31, 2016