1. a pervasive
developmental disorder of children, characterized by impaired communication, excessive rigidity
, and emotional detachment
: now considered one of the autism spectrum disorders.
2. An overrused and annoying insult being thrown around the internet by little kids who don't actually know what autism
is but use it as an insult anyways because they see everyone else online doing it and want to "fit in" or be funny.
Person 1: *is a fan of something person 2 doesn't like*
Person 2: "omg hahah what an autistic
loser lolololololo XDfdDddDDDDdD im so funny!1!11!11!"