1. the action of somone acting in a way, or doing an action with the intent of seriously disturbing another person(s). (simplified; the action of a mindfucker doing what he/she does best) 2. A piece of artistic work (paintings, music, drawings, motion pictures, animations) which cause the individual observing it (intentionaly or unintentionaly) emotional distress, or radicaly changes their ideas/beliefs about/in something. (a good example of this is the entire series of neon genesis evangelion, and it's movies)
1. "I just can't stand his/her/their kind of mindfuckery!"
2. "Man, what a load of mindfuckery."