Related Clues:
- '___ Tac Dough' (old game show)
- Tourette's symptom
- Involuntary muscle action
- Cramp, say
- Twitch of insect, say
- Email blitz overwhelms son in sudden attack
- Hiccup, for one
- It may be a sign of stress
- With 48-Across, Altoids alternative
- Part of XXX
- Constantly adjusting one's glasses, e.g
- It can be an X or an O
- Habitual idiosyncrasy
- Muscle cramp, e.g
- Brief movement