Related Clues:

• Subjects of many tests
• "Shoot!"
• 'Aw, shucks!'
• Is a rat
• Acts the stool pigeon
• Bean-spillers
• Doghouse cries
• Lectures
• 'Drat!'
• "Phooey!"
• "Fiddlesticks!"
• Tips off
• Speaks
• Spills the beans
• "Oh no!"