posmosis 

The passing of positivity from one to another.

Infectious positivity.

She was a very positive person, and via posmosis, her peers became positive too.

posmosis by RAHFC March 25, 2022

Potsmosis 

When one feels the effects of cannabis while sober sitting between two extremely high individuals

“I hadn’t had one pot all day, yet experienced euphoria and giggling while nestled between two very stoned people. It was potsmosis.”

Potsmosis by muskie_hunter December 20, 2020