Related Clues:

• Pull really hard
• Pull sturdy animal bearing north
• Give a hard tug
• Wally's quick rejoinder partly backfired
• Quick tug; fool
• American who gave name to wild ox
• Pull; American
• Jolting motion
• 19th-century adversary of an 18-Down
• Fool's involuntary movement
• Gossip about new chap from Washington DC?