silly

adjective (1) : in contexts wherein an illegal or dangerous act cannot be spoken of directly, silly is a general blanket term that keeps the act secret, however those in the know may understand the true meaning.

noun (2) : a person who does illegal or misdeedful acts, generally ones that are massively violent or dangerous.

note: generally used among neurodivergents because they are the silliest

e.g. 1: "A: So what were you up to on the weekend?*

"B(sillydoer): Oh just up all night being silly :3" (did heroin)

e.g 2: "Patrick Bateman is so silly!" (violent murderer)