tattle
     n : disclosing information or giving evidence about another
         [syn: {singing}, {telling}]
     v 1: speak (about unimportant matters) rapidly and incessantly
          [syn: {chatter}, {piffle}, {palaver}, {prate}, {tittle-tattle},
           {twaddle}, {clack}, {maunder}, {prattle}, {blab}, {gibber},
           {blabber}, {gabble}]
     2: divulge confidential information or secrets;  "Be
        careful--his secretary talks" [syn: {spill the beans}, {let
        the cat out of the bag}, {talk}, {blab}, {peach}, {babble},
         {sing}, {babble out}, {blab out}] [ant: {keep quiet}]
Source: WordNet® 2.0