RF 

Retardation Factor; the ability to fuck everything up

Spencer was constantly watchin hentai, thus he is an RF.

RF by Warren Sapp November 3, 2003

RF 

A big shit that usually clogs the toilet. Or requires you to flush twice, once for the poop and once for the paper

I took a huge RF today, it felt so good

RF by Spencer44365 June 21, 2007

rf 

Rabbitfuckers - A sqaud (IK IU HM LL)

We're the rf.

rf by Tomteskum August 2, 2017

rf 

radical feminist

"ramona wants to exclude trans woman from feminism, she's a rf"

radical feminist:someone who believes that only cis woman can be part of feminism

rf by bohhhhhhhhhhxxxxxx June 13, 2021

rf 

Ayesha

Oh hi RF!

rf by monkeyshoes November 24, 2021

rf 

fr (for real) backwards. it means the same thing.

Bob: That's so cool rf
Jose: I know man

rf by AirCactus55 October 7, 2023

RF Online 

Rising Force Online
MMORPG published by Codemasters in Europe. The game involves Race vs Race vs Race combat for control of a big mine. Has crafting, hp, items and all that jazz.

"You're buying RF Online? That is £15.69"

RF Online by supersonicjim April 23, 2006