* Bulletin board system
* Bardet-Biedl syndrome
* Baton Broadcasting System
* "Be back soon" (Internet slang)
* Bhutan Broadcasting Service
* BIOS Boot Sequence
* Black Beauty Sisters, two of the characters of the anime Mermaid Melody Pichi Pichi Pitch (fan lingo).
* Blum Blum Shub random number generator
* Breeding Bird Survey
* Brittle Bone Society

http://en.wikipedia.org/wiki/BBS
lehet választani. remélem te nyertél egyből.