ROTFLMFAO

English

Etymology

From ROTFL + LMFAO; compare ROTFLMAO.

Phrase

ROTFLMFAO

1. (Internet slang, text messaging, vulgar) Initialism of rolling on the floor laughing my fucking ass/arse off.
   • 2000 August 10, Cathi K., “Re: I hate cats (not Cathi K's)”, in alt.books.stephen-king‎^[1] (Usenet):

     ROTFLMFAO!!! I have this incredible, irreversible mental video playing of this entire event. Wojo, whenever you get mean and ornary, I'm gonna remember your bout with a po widdle kitty cat and just laugh my ass off.

   • 2003 September 27, droidsdonotpoop, “I traded Lenny in.”, in alt.games.everquest‎^[2] (Usenet):

     ROTFLMFAO. I have been in this forum for over three years. Sure, I change my name ever so often. Humm, maybe it is hard for you to realize that noone may be who they seem to be on the Internet.

   • 2015, Michael Jay Farabee, “Energy and Enzymes” (chapter 5), in Green Harvest: An Introduction to Biology, Dubuque, Ia.: Kendall Hunt Publishing Company, →ISBN, page 107:

     When the battery’s potential energy is all used up, our phone is dead. In the case of rechargeable batteries, recharging can restore their potential energy. Now we can text again! LOL! ROTFLMFAO! Whatever that means.