From Longman Dictionary of Contemporary Englishpass out phrasal verb1 MIUNCONSCIOUSto become unconscious I nearly passed out when I saw all the blood.2 especially British EnglishSEPM to finish a course of study at a military school or police college3 pass something ↔ out to give something, such as books or papers, to everyone in a group SYN hand out, distribute → pass→ See Verb table
Examples from the Corpus
pass out• When I first smoked a cigarette, I almost passed out.• I think the poor guy passed out. It looks like he's had a lot to drink. 