Definition of FNU

The Meaning of FNU

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

The Top Definition of FNU

The most popular meaning of FNU is: First Name Unknown

What Other Meanings of FNU Are There?

There are no other definitions for FNU at this time. Add your own definition of FNU.

What is FNU?

FNU is First Name Unknown

FNU Means

The definition of FNU is "First Name Unknown".

FNU Definition

The meaning of FNU

FNU means First Name Unknown.

Now you understand the definition of FNU - FNU means "First Name Unknown".

We're glad to be of assistance. Click here to thank us:

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

  1. FNX - Thanks
  2. FNO - From Now On
  3. FNG - Fucking New Guy
  4. FSU - Fuck Shit Up
  5. FU - Fully understood
  6. INU - I need you
  7. FWU - F****** With You
  8. FNE - Full Nipple Erection
  9. FNE - Free And Easy
  10. FKU - Fuck You
There are no other slang words that contain acronym FNU, or the meaning of FNU.