Top definition
shortened version of the words "Fuck You" generally used online.
hey ralphan00b fku cuz
by miGGi November 19, 2005
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May 1 Word of the Day
When some little bitchboy is acting like a little tiny pee pee poo poo baby and messing up the group plans.
I’m tired I wanna go home

“Oh I didn’t know it was pee pee poo poo hours”
by A7sa July 03, 2019
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2
True response to Mizzou's chant MIZ-... Meaning "Fuck Kansas"
Brady: Did you hear that jayhawks drink their beer warm? Its because the only KU grad that knew the recipe for ice graduated. MIZ!
Will: FKU!
by william quantrill December 08, 2010
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3
fat kids united, a clan or a group of fat kids that think that they are ghetto
a bunch of fat kids being ghetto and making a clan, aka FKU
by whit boi May 04, 2007
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4
FAQs that purport to answer burning questions but only address the questions the author wants to address, or otherwise does a cursory job of answering burning questions in a way that demonstrates, consciously or unconsciously, clear contempt for the questioners.
The organisational announcement was followed up by an emailed summary with an FKUs document.
by syncopatico March 18, 2021
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