Related Clues:

• ''That's hilarious!'' in chat rooms
• Crack up
• Abbr. near a smiley
• Yuk it up
• "Good one!"
• ''That's so funny!''
• IM chuckle
• "That's kinda funny!"
• Taunting cry
• 'Real funny...'
• Reaction to a knee-slapper
• Mirthful sound
• Literal laughter
• Sound of amusement
• Cackle or chuckle