A person with a) a mental disorder, b) a penchant for doing things of a dangerous or "mental" nature
Fucking fuck off or I'll fuck you up the fucking A-hole you motherfucking fucker - don't you fucking look at me like that you fucking fuckstick, you think I won't fucking kill you, you unclefucking butfucker. Fuck off. What are you? some kind of mentalist?
by Simon "I'll cut you a new arse-hole you motherfucking shitstabber" Bonham December 02, 2002
A performer of illusions that appear to be psychic in origin. The illusionist can present Extra Sensory Perception, mind over matter, precognition, or super mental abilities )such as memory or mathematics).
The mentalist Scott Xavier read my mind at a work function.
by Southsider February 05, 2015