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

BBBSI is

  • Big Brothers Big Sisters International

BBBSI is also in:

Acronym Definition Searched: MSN RN SCIT G&A WILC JDS TTT 70804 GSPRA PP 12543 BB GMRP C CAAA