Related Clues:
- Convulsive twitch (of face)
- Jerky movement
- Convulsive twitching
- Involuntary reaction
- "___ Tac Dough" (old game show)
- Muscular twitch
- Sneeze, blink or hiccup?
- Involuntary move
- With 24- and 45-Across, game represented by this completed puzzle's grid
- Square one of a child's game?
- Sound to watch from square in charge
- One of the X's in X-X-X
- Starting O, maybe
- One of the X's in XXX
- Poker table tell, maybe