1 definition by Kaihyuu
Debilitating condition which makes one respond to pretty much everything that's being thrown at them with "LOL" or "LMAO" either in all caps or in lower case letters.
Friend 1: "Miyu syndrome, what the heck is that?"
Friend 2: "LOL"
Friend 3 : "i.e. what friend 2 said"
Friend 2: "LOL"
Friend 3 : "i.e. what friend 2 said"
by Kaihyuu May 30, 2016