What does BB mean in Governmental & Military

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All BB meanings

What does BB stand for?

BB stands for "Bye-Bye"

How to abbreviate "Bye-Bye"?

"Bye-Bye" can be abbreviated as BB

What is the meaning of BB abbreviation?

The meaning of BB abbreviation is "Bye-Bye"

What does BB mean?

BB as abbreviation means "Bye-Bye"