BBS Definition

abbreviation
Bulletin board system.
Webster's New World
(telecommunications, Internet) Bulletin board system or bulletin board service.
Wiktionary

(computing) BIOS boot sequence.

Wiktionary

(computing) BIOS boot specification (Compaq Computer Corporation, Phoenix Technologies Ltd., Intel Corporation)

Wiktionary
(Internet slang) Be back soon.
Wiktionary
noun

Plural form of BB.

Wiktionary
Synonyms: