Definition of mindfuck in English:

mindfuck

Pronunciation /ˈmīndˌfək/ /ˈmaɪndˌfək/

noun

vulgar slang
  • A disturbing or extremely confusing experience, in particular one that is caused by deliberate psychological manipulation.

transitive verb

[with object]vulgar slang
  • Greatly confuse or psychologically disturb (someone).