Related Clues:

• Owl call
• Owl's sound
• Hilarious sort
• Amusing antic
• The least bit of concern
• Derisive call
• Nerdy character from 'Saved By The Bell'
• Nighttime bird call
• Owl's utterance
• Owl howl
• Owl's cry
• With 40-Across, nocturnal noisemaker
• Call heard at night
• Loud shrill cry
• Sudden shrill cry