LMFAO
Abbreviation · Slang & Abbreviations
Definitions
A stronger internet shorthand for laughing very hard. In developer chat it often signals disbelief, amusement, or absurdity rather than literal uncontrollable laughter.
In plain English: A slang abbreviation meaning 'that is extremely funny.'
Example: "LMFAO the rollback script still prints 'temporary' from 2018."