(Buddhism, Taoism) to misguidedly focus on hallucinations that arise during meditation
Definitions (CC-CANTO)
to be overly obsessed with something to the point of losing one's senses
Definitions (粵典–words.hk)
x
Definitions (Wiktionary)
phrase, figuratively, idiomatic
to be obsessed with something as if one is possessed by demons; to be taken over by (something)
phrase, idiomatic, usually
to experience serious negative physiological and psychological changes resulting from the “improper” practice of qigong or other self-cultivation techniques; to develop meditation psychosis