- to give away (a secret) in idle chatter
- to chatter; prattle
Origin of blabMiddle English blabben: see blabber
- loose chatter; gossip
- a person who blabs
verbblabbed, blab·bing, blabs
- To reveal secret matters indiscreetly.
- To chatter thoughtlessly or indiscreetly.
- An incessant or indiscreet talker.
- Lengthy chatter.
Origin of blabMiddle English blabben, to talk foolishly, back-formation from blaberen.
(third-person singular simple present blabs, present participle blabbing, simple past and past participle blabbed)
- (intransitive) To tell tales; to gossip without reserve or discretion.
Middle English blabben (“to talk foolishly”), back-formation from blaberen.