Answer:

YAP

AnswerCrossword Clue
YAPBark sharply
YAPMouth
YAPChatter
YAPMouth off
YAPTrap (slang)
YAPBlab ceaselessly
YAPKeep the phone line tied up, say
YAPBig mouth
YAPShrill bark
YAPTalk foolishly
YAPJabber
YAPBig fat mouth
YAPPeke call?
YAPMouth, slangily
YAPPiehole
YAPKisser
YAPSpeak Maltese?
YAPPound sound
YAPKennel sound
YAPTalk shrilly
YAPBig mouth, in slang
YAPYou may be told to shut yours
YAPBark
YAPHigh-pitched woof
YAPSound from the pound
YAPImitate an annoying dog
YAPCake-hole
YAP"Shut yer ...!"
YAP"Keep yer ... shut!"
YAPYelp source
YAPBig mouth, slangily
YAPSnappish bark
YAPFat mouth
YAPGo on and on
YAPLittle woof
YAPBig trap
YAPTalk too much
YAPTalk, talk, talk
YAPA bark or yelp
YAPPuppy talk