Related Clues:

• Little jerks
• Quirky behaviors
• Impressionists exaggerate them
• Vocal stumbles
• Uncontrollable movements
• Jerky moves
• Speakers' no-nos
• Involuntary twitches
• Some blinks
• Human quirks
• Uncertain sounds
• 'Er' relatives
• Nervous spasms
• Audible pauses
• Staller’s sounds