Definition of FB

The Meaning of FB

You have found the definitive source for the meaning of FB. This page contains all the definitions of FB, crowd sourced, moderated and curated by real people who care about the true definitions of FB.

The Top Definition of FB

The most popular meaning of FB is: Funny Business

What Other Meanings of FB Are There?

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What is FB?

FB is Funny Business

FB Means

The definition of FB is "Funny Business".

FB Definition

The meaning of FB

FB means Funny Business.

Now you understand the definition of FB - FB means "Funny Business".

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

  1. FT - Fuck That
  2. FSB - Front Side Bus
  3. FR - For Real
  4. FP - Fair Play
  5. :B - Buck teeth
  6. FTB - Fuck the BS
  7. PB - potty break
  8. XB - XBox
  9. FUB - Fat Ugly Bastard
  10. FU - Fully understood
There are no other slang words that contain acronym FB, or the meaning of FB.