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ROFL

or ROTFL

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

Origin of ROFL

from its use in digital communications
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for rotfl

ROTFL

abbreviation for
  1. rolling on the floor laughing

ROFL

abbreviation for
  1. rolling on floor laughing
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for rotfl

rofl

by 1993, online chat abbreviation for rolling on the floor laughing.

Online Etymology Dictionary, © 2010 Douglas Harper