Looking for the meaning or definition of the word freak out? Here's what it means.
Verb
(slang, intransitive) To react (or cause to react) with extreme anger or fear to something to the extent that one loses one's composure or behaves irrationally; originally, 1960's countercultural term meaning to have a positive reaction or experience from the recreational, therapeutic or edificational use of a psychotropic – usually hallucinogenic or psychedelic – drug