This. In general it refers to social awkwardness related to autism. Heard it used mostly as a slur/insult where I live.

The US wasn’t even the first to ban it. In 1937 Marijuana Tax act was passed that effectively prohobited it, but a full ban came in 1970. Countries that banned it before 1937 include, but are not limited to: Thailand, Irish free state, Romania, UK, Indonesia, Australia, Lebanon, Sudan, Italy, Panama, Canada, South Africa, Mexico, Jamaica, Greece, Singapore…