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.
Future Hall of Fame wide reciever? A total animal. People often find this man as an asshole, cocky, single minded, bigot, and sarcastic. This man does not care about your judgemental words. This man is a master in sports commentary. He will say things the commentators on T.V. will say at least 5 seconds before they do. his attitude can be best compared to other celebrities like Chad Ochocinco and Dave Hume.
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!