A bunch of sounds, compiled into a torrent, that when listened to for a certain period of time, will make you feel a certain kind of high. There are different versions, for whatever different drug you feel like feeling like you just did...if that makes sense.
I've never done it, but I know people who have.

Short for ultimate bias. Typically used by fangirls and fanboys to describe their favourite celebrity amongst the many that they are fans of.

A computer program that uses brain waves to simulate the sensations of various drugs. It's not intended to feel like the actual drug but to stimulate the brain to release the natural chemicals that make you feel good (like dopamine). Best if used with headphones, just relax and close your eyes. It is intended to suggest to your mind to release the chemicals that make you feel good. But you have to be willing to let it do that. At most, it can only do to you, what you expect it to do.

A program that plays audio files that are supposed to simulate drug effects.

Personal Note: Does not work, gives only placebo effect.