Blab v. t. [imp. & p. p. Blabbed (blăbd); p. pr. & vb. n. Blabbing.]  To utter or tell unnecessarily, or in a thoughtless manner; to publish (secrets or trifles) without reserve or discretion; -- sometimes used with out.
  And yonder a vile physician blabbing
  The case of his patient.   --Tennyson.
  blab
       v 1: divulge confidential information or secrets;  "Be
            careful--his secretary talks" [syn: spill the beans, let
            the cat out of the bag, talk, tattle, peach, babble,
             sing, babble out, blab out] [ant: keep quiet]
       2: speak (about unimportant matters) rapidly and incessantly
          [syn: chatter, piffle, palaver, prate, tittle-tattle,
           twaddle, clack, maunder, prattle, gibber, tattle,
           blabber, gabble]
       [also: blabbing, blabbed]