1. a person who speaks in a halting, broken manner with repeated sounds or syllables
2. a person who makes explosive spitting sounds when speaking
3. something that makes irregular crackling or popping sounds

Examples

• The nervous sputterer struggled to get through his presentation.
• As a chronic sputterer, she avoided public speaking whenever possible.
• The old engine was a real sputterer on cold mornings.
• He was known as a sputterer who sprayed saliva when excited.
• The candle flame became a sputterer as the wax ran low.
• The sputterer finally found confidence through speech therapy.