Rolling On Floor Laughing

laughing more than simply LOL

Scooby Doo's pronunciation of the word 'waffle'

Rolling on the floor laughing. Typically used by people who are too lazy to press the rest of the keys on their keyboard needed to communicate in English.

"rolling on floor laughing"
Often used sarcastically or to show something is too funny for just "lol".

ROFL is an abbreviation for 'rolling on (the) floor laughing', usually used in a similar context as 'LOL'.
ROFL is usually used with text talk and/or incorrect grammar.

Run Over Flamingo's Leg

Acronym for Rolling on the Floor Laughing. A word that only nuubs and nerds care to say aloud. And a word more commonly used then lol. It can be mixed with other words, phrases, and acronyms, to form awkward AND unnecessary chat slang, such as ROFLCOPTER, or ROFL MY WAFFLES (lego me eggo), or ROFL MUH NIG!