blank out

blank out AND go blank ( to forget || to become unconscious) — потерять сознание, отключиться, вырубиться

Example 1: He let his mind go blank and kept on walking, thinking about nothing at all. (CDAI)

Example 2: He remembers trying to get up, and then he went blank until he woke up the next morning with a roaring headache.(CDAI)

Usage notes: sometimes used in the form everything went blank (someone became unconscious):

Example 1: I heard a noise behind me, and then everything went blank. (CDAI)

Related vocabulary:
[отключиться]