A tactic used by Satan and his demons in order to gain an person's trust by infiltrating their dreams and posing themselves as a prophet of god, causing them to believe in them. Upon manifesting in reality, Satan or the demon using this tactic is more likely to become trusted and befriended by those who were interacted with.
Timmy: This is Jeff. He's new in the neighborhood and we like playing baske-
Timmy's dad: GET THAT QUASITULPISM QUASITULPIST SCUM OUTTA MY HOUSE THEY GONNA KILL YOU TIMMY