pass out cold

Translations
упасть в обморок
He passed out cold after the long run.
Он упал в обморок после долгой пробежки.
Definitions
To lose consciousness suddenly and completely, often due to fainting, exhaustion, or a medical condition.
Words
pass

verb
потерять сознание
out

adverb
полностью
cold

adjective
без сознания