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!"
by Jenn-O-Mac August 2, 2005
an abberviation for the word 'joker'. mainly used by chavs when decribing a person who is funny.
"omg, that dude.....wot a jkr"
by Anti-Chav Rally 2005 June 10, 2005
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
by Travioli_random May 17, 2021
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
by patricia morarez October 15, 2020
Aye, john. have you prayed to JKR yet?
John: What? no-
by HailJKR April 24, 2020