When a large amount of people (usually online/in games) in a group use the same nickname as a popular character or person.
"I started playing this MMO recently, but why are there so many people named Kirito?"
"That's the power of Kirito Syndrome mate, everyone wants to be like him."
"That's the power of Kirito Syndrome mate, everyone wants to be like him."
by MisfortuneFeeva February 15, 2020
Get the Kirito Syndromemug.