Answer: burble

AnswerCrossword Clue
BURBLEFountain sound
BURBLESound like a brook
BURBLEJabber.
BURBLEJabber; prattle
burbleto speak in an excited manner.
burbleexcited flow of speech
burbleto speak quickly and incoherently
burbleto speak in an excited manner; babble
burblethe breakdown of smooth airflow around a wing at a high angle of attack
burbleto make a bubbling sound; bubble
burblebubbling or gentle flow