Related Clues:

• Reaction to a knee-slapper
• Mirthful sound
• Literal laughter
• ''Yuk, yuk'' kin
• Quip response
• Tee-hee cousin
• Guffaw sound
• A couple of laughs
• ''Got you!''
• ''Funny ___ or funny strange?''
• ''That's a laugh!''
• Syllables of derision
• Comeuppance reaction
• Amused reaction
• Response to a joke?