Answer: splutter

AnswerCrossword Clue
SPLUTTERShow confusion
SPLUTTERConfused noise.
SPLUTTERRapid, confused speech
splutterSay something rapidly, indistinctly, and with a spitting sound, as a result of anger, embarrassment, or another strong emotion
splutterMake a series of short explosive spitting or choking sounds
splutterSpit (something) out from one's mouth noisily and in small splashes
splutterto speak rapidly and confusedly