(medicine) Bilateral bundle branch block.

(Internet) A lightweight markup language, with tags in square brackets, used to format posts on message boards.

plural of BBBB

plural of BBD

plural of BBG

(UK) Initialism of British-born Chinese. / (chemistry, uncountable) Abbreviation of bromobenzyl cyanide. / (sexuality, slang, vulgar) Initialism of big black cock.

(preceded by “the”) Initialism of British Broadcasting Corporation. / Initialism of Blades Business Crew: a football hooligan firm linked to Sheffield United F.C.

(politics) Initialism of build(ing) back better.

(physiology) Initialism of blood-brain barrier. / (cardiology) Initialism of bundle branch block.

(commerce) Initialism of Better Business Bureau.