mindblower

[mahynd-bloh-er]

noun Slang.

a hallucinogenic drug.
something that astounds, excites, or dismays: The news of the loss of the cargo ships was a real mindblower.

Origin of mindblower

First recorded in 1965–70; mind + blow² + -er¹

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018