(military, nautical) Initialism of guided-missile battleship (a battleship equipped with cruise missiles as one of its primary armaments). / (military, nautical) Abbreviation of battleship battle group.

(US, broadcasting) Initialism of Broadcasting Board of Governors.

Initialism of bareback blowjob: fellatio without a condom.

Initialism of brain–brain interface.

(Internet slang, text messaging) Alternative form of baby girl (term of endearment)

(Internet slang) Be back in a bit.

(Britain) A form of received pronunciation formerly used in British broadcasting.

plural of BBB

plural of BBEG

plural of BBC