Related Clues:

• It's up to the artist to be the one to use his teeth to settle the dispute
• Sort of a judge - i.e., rump of one
• Is the painter up to getting his teeth into being a referee?
• Seems I'm pure enough to make a judge playful
• This will give you a prime amount of judging
• I'm pure enough to be a judge
• To judge, one is up in the mire
• This judge may give out
• Must be just made impure
• Up with the mire with the judge on the pitch
• "Play ball!" crier
• Authoritative sort
• Ballpark fig
• Masked man, maybe
• One settles disputes