Related Clues:

• Hunger pain
• Brief pain spasm
• Contraction of a sort
• First X or O, say
• Bad liar's giveaway
• Mannerism or spasm
• Nervous movement
• Personality quirk
• Sudden ache
• Ache of a sort
• Indication of hunger
• "___-Tac-Dough"
• First O, say
• -- Tac
• A facial twitch