Related Clues:

• Arcade flubs
• Joins the jousts
• Fights with lances
• Jousting contests
• Medieval contests
• Isn't perpendicular
• Pinball infractions
• Isn't on the level
• Jousts
• Contests on horseback
• Isn't straight up
• Knights' fights
• Arcade setbacks
• Pinball game stoppers
• Isn't quite vertical