RTFO 

Relax The Fuck Out:

Someone that need to chill out majorly!

You need to RTFO Dude!

RTFO by newport007 July 22, 2016

RTFO 

An acronym that stands for "Run The Fuck Over"

*Joey's geeky RPG character was killed by Tommy's geeky RPG character*

Tommy says: RTFO, NOOB!

RTFO by Boomshiki December 6, 2006

RTFO 

Abbreviation for 'Rest of The Fucking Owl'. After a Reddit group by the same name. Used to tell someone that they left out key information or steps.

Person 1: Explaining how to change a tire. "Take the flat tire off, get your spare, and put the spare on in it's place."

Person 2: Where's the RTFO?

RTFO by rma42 April 13, 2019

RTFOM 

In the context of an automotive forum, "Read the Fucking Owner's Manual"

Q: Should I use 5W30 or 20W50 in my engine?

A: RTFOM!

RTFOM by RTFOM July 5, 2009

rtfof 

ROCK THE FUCK ON FOREVER

XXX: have you listened to Angel Du$t’s 2016 Album ‘Rock the Fuck On Forever’?

XVX: hell yeah!! it makes me wanna do a spin kick in my living room. RTFOF

rtfof by flavortown October 25, 2018

RTFOTFLMFAO 

Roll the fuck on the floor laughing my fucking ass off

(A longer and more effective version of ROFL)

When someone tells a exceptionally funny joke over instant messaging or commenting on youtube

Guy1:hey your not supposed to shoot us zombies in zombie mod we just want a hug :)

Guy2:RTFOTFLMFAO

RTFOTFLMFAO by I win a penguin December 25, 2009

RTFOL

Rolling on the floor laughing

That is so funny

RTFOL😂😂

RTFOL by ProAss January 12, 2017