25I-NBOMe noun1 •The psychedelic hallucinogen 2-(4-iodo-2,5-dimethoxyphenyl)-N-[(2-methoxyphenyl)methyl]ethanamine developed to map brain usage of the type 2A serotonin receptor, and also used recreationally.At the Voodoo Fest in New Orleans in October 2012, 21-year-old Clayton Otwell was offered a single drop of 25I-NBOMe up his nose as a gift from a grateful stranger whose phone he had found. — 2013