Top Definition
A chinese restaurant located in SF.
Dude: Hey! Fuk U?

Badass goodlooking piece of a hot woman: Fuck off! *Smack*

Dude: *wraf*
by Fessus Fessheim August 09, 2006

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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
by LucasRCD July 31, 2016

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Japanese school girl uniform popular in cosplay.
You are WAY to old to go in a fuku.
by Ash1231231231232123 February 19, 2011

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Can typically start any internet rebuttal (There are exceptions, usually based on common sense) and sometimes ends with 'Also, Penis.' for an attempted humorous twist.
InternetGuy1: hay u faggt
internatsdood23: fuk u.
internatsdood23: Also, Penis.
by Raggs July 31, 2008

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An informal way to say "goodbye and good luck with whatever you're trying to accomplish" when you're so flabbergasted by an individual's or group's words or actions that you only have 4 letters in you. Not at all related to profanity or the work "fuck"
Person: Donald Trump would make a great president.
Logical human: fuk u
by RT4T January 02, 2016

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A way to say, "Fuck You" to a higher authority without getting in trouble.
Teacher: Mr. Mayer, why didn't you do your home work
Mayer: I didn't have enough time mam
Teacher: That's not a good excuse
Mayer: Fuku lady!
by AchilliesHero05 August 28, 2006

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One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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