Acronyms, Abbreviations, and Initialisms.
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The meaning of the Acronym ISFB is...

ISFB is

  • I'm So Frigging Bored

More Meanings For ISFB:

  • I'm So Frigging Bored
  • Internet Solutions for Business

ISFB is also in:

Acronym Definition Searched: 348 VTE CVA RSVP WALT GM PX WART 50702 CATS ACDS DCPZ WAIF MLL IODU/C SUS