Related Clues:

• "Why, I oughta ... "
• Sycamore skin?
• (I'm so mad!)
• Chihuahua's alert
• (Go away, you scary mailman!)
• It might be worse than a 29-Down
• (Back off!)
• "So mad!"
• (I'm so-o-o mad!)
• (I'm a dog!)
• "Step away from my kibble"
• (Go away, you evil mailman!)
• (I'm an angry dog!)