Answer: blab

AnswerCrossword Clue
BLABSqueal
BLABRuin the surprise
BLABRun off at the mouth
BLABBetray a confidence, perhaps
BLABYak
BLABDivulge
BLABGive away
BLABSing, so to speak
BLABPrattle
BLABSpeak without restraint
BLABSpill secrets
BLABTell everyone
BLABGo on and on and on ...
BLABState secrets
BLABGive away a secret
BLABFail to keep a secret
BLABReveal
BLABMore than talk
BLABChatter thoughtlessly
BLABProve untrustworthy, in a way
blabto talk idly
BLABTalk too much
BLABTattle
BLABSpill the beans
BLABSpill a secret
BLABGossip
BLABTalk a blue streak
BLABLet the cat out of the bag
BLABState secrets?
BLABExpel hot air
BLABNot shut up
BLABAct the gossipmonger
BLABSnitch
BLABTell tales out of school
BLABThrow discretion out the window, in a way
BLABTell
BLABTell almost anyone
BLABTell all
BLABPlay the stoolie
BLABRuin the secret