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What does FB stand for?

FB stands for Fast Busy

This definition appears very frequently and is found in the following Acronym Finder categories:

  • Information technology (IT) and computers

See other definitions of FB

Other Resources:
We have 43 other meanings of FB in our Acronym Attic

Samples in periodicals archive:

Call takers noticed it was not busy, and at the same time, we got a call (on the nonemergency line) from someone who had called 911 and said they got a fast busy (signal).
Callers in those communities too often encountered fast busy signals or recordings telling them all circuits were busy, PUC chairman Lee Beyer said.