A theoretical force of energy which one can harness to increase or decrease, (attract or repel) the likelihood of future events in linear space-time.
Rick: "You see Morty, no one has figured out quite yet that this reality can be entirely shifted according to how you utilize psychomagnetic properties. Don't you understand Morty???"
The ability of a person (most commonly a male) to enter a state of sexual arousal and/or sexual climax (i.e. ejaculation) simply by imagining a sexual situation that would normally induce said sexual reaction; when experienced during sleep, also referred to as a nocturnal emission or "wet dream".
WARNING: The typical high school male is prone to fits of psycholagny when within about 10-ft. range of anyone on whom they have a crush, including peers and/or teachers. You have been warned.