Answer: blabbermouth

AnswerCrossword Clue
BLABBERMOUTHBig talker
BLABBERMOUTHVariety of non-clam
BLABBERMOUTHSieve
BLABBERMOUTHGossip
BLABBERMOUTHNot the secretive sort
BLABBERMOUTHB2B opportunity for a gossip?
blabbermouthan indiscreetly talkative person
blabbermouthA person who talks excessively or indiscreetly