noun

• (sports) A rectangular piece of material, carrying a bib number, worn as identification by competitors.
• (sports) A colourful polyester or plastic vest worn over one's clothes, usually to mark one's team during group activities.
• (cycling) Ellipsis of bib short.

verb

• (transitive) To dress (somebody) in a bib.
  "Wise women use them, but new fathers seldom seem to understand that one minute bibbing baby saves who knows how long swabbing, finding clean clothes, changing, and coddling later — not to mention laundry time."
• (intransitive, archaic) To drink heartily; to tipple.
  "Iff I were a fleſhly felowe, and a preacher of lyes and tolde them that they might ſyt bebbinge and bollynge, and be droncken: O that were a prophet for this people."

verb

• (informal) To beep (e.g. a car horn).

phrase

• (medicine, informal) Initialism of brought in by.
  "BIB mum"
• (business) Abbreviation of business is business.