ROFL

Stands For
Rolling On Floor Laughing

Which means
In chatspeak, ROFL is used to express a great amount of amusement or laughter.

Example
Cindy: Why did the chicken cross the road? Betty: I don't know, why? Cindy: To get away from the farmer! Betty: ROFL!

Related Acronyms

 * LOL
 * ROTFL
 * LMAO
 * ROFLOL
 * ROTFLOL
 * ROTFLMAO
 * ROFLMAO