Psychedelic mushrooms, specifically those containing psilocybin, have been used for centuries in various cultures for spiritual, medicinal, and recreational purposes. These fungi have gained significant attention in recent years due to their potential therapeutic benefits and increased popularity.

In different contexts, this acronym can refer to the British Broadcasting Corporation, but it is also a common slang term in adult or urban culture. "Shrooms": Usually refers to psilocybin mushrooms.