mentalist (comparative more mentalist, superlative most mentalist)
- Of or relating to mentalism
mentalist (plural mentalists)
- A practitioner of mentalism.
- (slang) An insane person.
- I'm Alan Partridge (TV series), To Kill a Mocking Alan
- Jed Maxwell: See you next week then. We'll have that pint.
- Alan Partridge: Yep.
- Jed Maxwell: ...go and see my brother.
- Alan Partridge: No way, you big spastic! You're a mentalist!