Related Clues:

• 'Aw, shucks!'
• Is a rat
• Acts the stool pigeon
• Bean-spillers
• Ringers in a ring
• 'Drat!'
• Dealer busters
• "Phooey!"
• "Fiddlesticks!"
• Tips off
• Spills the beans
• Informers
• "Oh no!"
• 'Doggoneit!'
• Emulates a 43-Across