The meaning of the Acronym FB is...

FB is

• Fixed Block

More Meanings For FB:

• Fixed Block
• Framing Bit
• Friendship Book
• Free to Bound (process)
• Filter Bank
• Fine Blanking
• Faculty Of Business
• Faculty Basic
• Fake Boyfriend
• Fat Boy
• Fat Bastard
• Fuckin Bitchs
• Fucking Brilliant
• Fiber Beaten
• Flan Bruni (French: proof coin)

FB is also in:

• Adults
• Chat
• Clothes
• Coins
• Electronics
• General
• Telecom
• Universities