ROFL

American  

Or ROTFL

1. rolling/rolled on the floor laughing: written in response to something very funny.

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ROFL British  

abbreviation

1. rolling on floor laughing

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Etymology

Origin of ROFL

From its use in digital communications

Example Sentences

On April 12th, Cobie tweeted, “Found an ETH address that bought hundreds of thousands of dollars of tokens exclusively featured in the Coinbase Asset Listing post about 24 hours before it was published, rofl.”

From The Verge

The inquests also heard about serious failings by DI Rofl Schamberger, who oversaw the Barking and Dagenham Police team that examined the deaths of Gabriel Kovari and Daniel Whitworth.

From BBC

Before it was an acronym, they embodied ROFL, forever collapsing to the ground in mirth.

From New York Times

When I told him the game was cool, he said “rofl” and told me their botnet is worth more than Niantic Labs.

From Time

FWIW, the Oxford English Dictionary recently added hundreds of new words to its vaunted pages, and some of them — like "budgie smugglers," "butt ugly" and "ScoobySnack" — will deffo have you ROFL.

From Los Angeles Times