One of the mysteries of the English language finally explained.
1The action of covering something with black; the action or an act of obliterating or obscuring something.
2The experience of having a blackout, especially of being rendered unconscious; the occurrence of a blackout; an instance of this.
Late 18th century. From black + -ing + out, after to black out.
blacking out/ˌblakɪŋ ˈaʊt/
In this article we explore how to impress employers with a spot-on CV.