Related Clues:

• 'Crud!'
• Exclamation of frustration
• "That didn't go well"
• 'Foiled!'
• 'Bummer!'
• Rodent pests
• Ne'er-do-wells
• "Oh, criminy!"
• Blows the whistle
• Lab rodents
• Tells in a bad way
• Charlie Brown shout
• Leaders ran a tight ship with vermin
• "Peanuts" phooey
• They may be trapped in a maze