Related Clues:
- Concealed ditch in landscape gardening
- "Clever"
- Devious laugh
- 'That's funny!'
- 'Ver-r-ry funny!'
- "Oh, very funny!"
- 'How droll!'
- ''We are not amused''
- Villain's chuckle
- Nelson Muntz catchphrase
- 'Told you so' response
- ''That's hilarious!''
- ''You're a scream!''
- Mischievous little laugh
- Sound welcomed by a 9 Down