IM Abbreviations and Acronyms

  1. FAI
    Frequently Argued Issue
  2. FBKS
    Failure Between Keyboard and Seat
  3. FCFS
    First Come First Served
  4. FCOL
    For Crying Out Loud
  5. FCS
    First Customer Ship
  6. FDROTFL
    Falling Down Rolling On The Floor Laughing
  7. FE
    Fatal Error
  8. FETLA
    Further Extended Three-Letter Acronym
  9. FFA
    Free for all. Person who deals the most damage gets the drop.
  10. FFT
    Fast Fourier Transform
  11. FIOFY
    Figure It Out for Yourself
  12. FOCL
    Falling Off My Chair Laughing
  13. FOMCL
    Falling Off My Chair Laughing
  14. HU
    People
  15. HUM
    People
  16. IBRB
    Be Right Back
  17. IMBO
    In My Biased Opinion
  18. IOU
    "I Owe You" (Promissory note)
  19. IOWTBT
    I Only Want To Be Told
  20. IRMFI
    I Reply Merely for Information

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