Related Clues:

• Contests on horseback
• Private languages
• Isn't straight up
• Knights' fights
• Arcade setbacks
• Pinball game stoppers
• Isn't quite vertical
• Isn't fully vertical
• Fights with a lance
• Leans to one side
• Leans slightly
• Pinball no-nos
• Jousting matches
• Pinball flubs
• Arcade violations