|Origin:||Probably from sputter|
1 [intransitive and transitive]
to talk quickly in short confused phrases, especially because you are angry or surprised [= ]:
'But ... but ... I can't believe... how could you?' she spluttered.
Katie was spluttering with rage.
to make a series of short sharp noises:
Bill started coughing and spluttering.
The engine spluttered into life.
—splutter noun [countable]