A behavioral pattern or sets of traits typically associated with Autism Spectrum Disorder (ASD) observed in an individual who is not clinically diagnosed with ASD and/or has tested negative for it. Used to describe people who display neurodivergent tendencies but lack a medical diagnosis.
John just spent several hours organizing everything in his room by color, the Nottism's getting to him again.
12 step recovery jargon referring to someone new who talks about how great life is, now that they'resober. Usually meaning that the person is out of touch with reality.
The new guy seems pretty happy for a dude who has no job, no money and no family. He must be on a pink cloud.