Answer: fainted

AnswerCrossword Clue
FAINTED

Blacked out

FAINTED

Reacted to hearing a British Invasion group live, perhaps

FAINTED

Keeled over

FAINTED
Passed out
FAINTED
Went out like a light
FAINTEDLost consciousness
FAINTEDSwooned.
FAINTEDExperienced a syncope
FAINTEDPlotzed