Related Clues:
- Skeptical laugh
- Online outburst
- Texter's guffaw
- Defiant shout
- Twitter titter
- Chat-room ha-ha
- 'Not a chance!'
- Bit of a laugh
- 'You're killing me,' in texts
- Part of many an AIM chat
- Laugh part
- Online cackle
- Emoticon alternative
- Cyberchuckle, and a hint to this puzzle's four longest answers
- "Caught you!"