ROFL

abbreviation

variants or less commonly rofl

informal

rolling on (the) floor laughing

So what are you doing with the time you're saving by using cute shortcuts? Volunteering at your local hospital? Sure. I'm ROFL (rolling on floor laughing).

—Patricia T. O'Conner

Just keep in mind that if you intend to win (ROFL!), the prize money will be split among all team members.

—Chi Birmingham