Related Clues:

• Go in smoothly
• ___ as a fiddle
• Hiccup cause
• Muscle twitch
• Crick in one's neck, e.g.
• Citizens can make it
• Sudden movement
• Muscle annoyance
• Muscular contraction
• Go together
• Stop cold
• Record producer?
• Jigsaw puzzle success
• See 1 Across
• Capture the interest of, in slang