Definition of FU

The Meaning of FU

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The Top Definition of FU

The most popular meaning of FU is: Fully understood

What Other Meanings of FU Are There?

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What is FU?

FU is Fully understood

FU Means

The definition of FU is "Fully understood".

FU Definition

The meaning of FU

FU means Fully understood.

Now you understand the definition of FU - FU means "Fully understood".

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What does FU mean? FU is an acronym, abbreviation or slang word that is explained above. If you ever forget what FU means, just come back to and we'll define any acronym you need help with.

  1. FUI - Fucked Up Individual
  2. 3U - thank you
  3. FO - fuck off
  4. AU - gold
  5. EU - European Union
  6. FNU - First Name Unknown
  7. BFU - Butt Fucking Ugly
  8. FUD - Fear, Uncertainty, and Doubt
  9. FC - Full Combo
  10. FUG - Fucking Ugly
  1. $_$ - Money full
  2. *O* - Confused, surprised, shocked
  3. 1DAFUL - wonderful
  4. 2FB - Too fucking bad
  5. 4Q - Fuck You
  6. :? - Confused
  7. :S - Confused
  8. :\ - Emoticon Meaning Confusion
  9. :| - Disgust, disapproval, not funny
  10. =S - Confused