JKR 

Abbreviation for the popular author of the Harry Potter series, J.K. Rowling. Is mostly used by fans during net speak instead of typing out her entire name.

"Oh! JKR just updated her site!"

"I hate JKR, she killed my favorite chracter!"

JKR by Jenn-O-Mac August 27, 2005

jkr 

an abberviation for the word 'joker'. mainly used by chavs when decribing a person who is funny.

"omg, that dude.....wot a jkr"

jkr by Anti-Chav Rally 2005 June 24, 2005

JKR 

JKR is god. That's all.

Aye, john. have you prayed to JKR yet?
John: What? no-

JKR by HailJKR April 24, 2020

JKR 

it doesn't mean anything. it just kinda sounds like it means something. I would assume you say it instead of lmao or lol

Person 1: Why did the chicken cross the road?
Person 2: idk
Person 1: Because is was an egg-celent idea!
Person 2: jkr
Person 1: um ok

JKR by patricia morarez October 15, 2020

Certified JKR 44

Absolute gay wad of a human and wants to touch every guy and sucks off everyone

Wow you are real acting like a certified JKR 44 right now

Certified JKR 44 by Travioli_random May 17, 2021

Jkroflmao 

1.) Short for, "Just kidding rolling on (the) floor laughing my ass off", usually expressed in good humor.
2.) A combination of jk, rofl, and lmao.
3.) An alternative to jk, rofl, lmao or any combination of the three.

patient: How long do I have left to live?
doctor: Two weeks.
patient: ZOMFG!
doctor: Jkroflmao! You are fine.

Jkroflmao by *G-Warrior 3 Clan™ March 4, 2009

JKROFL 

JK Rowling On the Floor Laughing. What is written when you are joking about liking something in Harry Potter. Synonymous with just kidding, but solely for Harry Potter.

Roger: Hey did you like Prisoner of Azkaban?
Lawrence: Yes it was my favourite!
Roger: Really????
Lawrence: No! JKROFL!

JKROFL by mugglemater December 26, 2011