Related Clues:

• Baldness, e.g.
• Quirky habit
• Genetic feature
• Muscle jerk
• Brown eyes or curly hair
• Nervous mannerism
• Legacy from mom or dad
• Broad shoulders or long legs, e.g.
• Start of a grid-based game
• Opening in "Hollywood Squares," essentially
• "___-Tac-Dough" (quiz show)
• First X, potentially
• ___ Tac (breath freshener)
• "Twitch," minus every other letter
• Nervous twinge