What is Fku?
1.
shortened version of the words "Fuck You" generally used online.
hey ralphan00b fku cuz
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2.
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
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Random Words:
1.
Breath that smells so bad, you think someone farted in that persons mouth, then might have actualy taken a shit in it too.
Man that ass..