Definition of Owsley in English:

Owsley

noun

US
slang, historical
  • An extremely potent, high-quality type of LSD; a tablet of this. Frequently attributive, especially as "Owsley acid".

Origin

1960s; earliest use found in Tom Wolfe (b. 1931), journalist and novelist. From the name of Augustus OwsleyStanley III, who illegally manufactured the drug.

Pronunciation

Owsley

/ˈaʊzli/