Ram Dass told the story about how he visited the guru Neem Karoli Baba (AKA Maharaj-ji) and gave him a bunch of LSD, which supposedly had no effect on the guru

Ram Dass told the story about how he visited the guru Neem Karoli Baba (AKA Maharaj-ji) and gave him a bunch of LSD, which supposedly had no effect on the guru because he was already having open-eye hallucinations from his meditation. https://blogs.scientificamerican.com/cross-check/baba-ram-dass-and-the-tale-of-the-acid-gobbling-guru/ https://blogs.scientificamerican.com/cross-check/baba-ram-da... Probably BS, but matches with what you say.