A one-handed weapon in Perfect Dark similar that looks like a tranquilizer gun and fires with the use of air cartridges. When accurate contact is made at anything with uptarded or higher brain capacity, it will psychically link to the victim's mind and subject them to the shooter's bidding.
"If I ever owned a psychosis gun, there would be a lot of bank robberies and missing women."
von sux0r 24. September 2003