Plutonian
Example:
Dope #1: Sarie is surely a nice girl; I've never seen anyone so sweet and positive about life!
Dope #2: Sarie? Yeah, right! She's always frowning, NEVER talks, and always snatches stuff out of peoples' hands.
Dope #1: What? No!
Killer #1: Maybe she has multiple personality disorder.
Kiko: Maybe she's just a bit plutonian!
Dope #1: Sarie is surely a nice girl; I've never seen anyone so sweet and positive about life!
Dope #2: Sarie? Yeah, right! She's always frowning, NEVER talks, and always snatches stuff out of peoples' hands.
Dope #1: What? No!
Killer #1: Maybe she has multiple personality disorder.
Kiko: Maybe she's just a bit plutonian!