The story
Probably derived from (and as an antonym to) black out.
Etymology from Wiktionary, CC BY-SA 4.0.
black in
Today it means: To regain or return to consciousness or attentiveness after having blacked out. Full definition →
Today it means: To regain or return to consciousness or attentiveness after having blacked out. Full definition →
Probably derived from (and as an antonym to) black out.
Etymology from Wiktionary, CC BY-SA 4.0.