splutter

/ˈsplʌtər/
verb
  1. To make a series of short, explosive spitting or choking sounds, as when speaking in a hurry or with difficulty, or when a liquid or engine is struggling.
    • He tried to apologize but could only splutter a few incoherent words.
    • The old car engine began to splutter and then died completely.
    • The bacon started to splutter in the hot pan as the fat hit the flames.
  2. To speak or say something in a confused, hasty, or angry way, often with spitting sounds.
    • The witness spluttered an excuse that no one believed.
    • He spluttered, 'But that's not fair!' as the referee made the call.
    • She spluttered with indignation when she heard the false accusation.
noun
  1. A short, explosive spitting or choking sound or series of such sounds.
    • There was a loud splutter from the coffee machine as it released steam.
    • His speech was interrupted by a splutter of laughter from the audience.
    • The engine gave a final splutter and then fell silent.
  2. A confused or hasty burst of speech.
    • The child's splutter of excitement was barely understandable.
    • He let out a splutter of protest before being silenced.
    • Her reply was a splutter of half-formed words.