ichidan verb, intransitive verb
be astonished; be flabbergasted; be startled
Colloquial and somewhat old-fashioned; often used in casual speech to express strong surprise. The kanji form is rare.
その値段を聞いてたまげた。
I was flabbergasted when I heard the price.
急に大きな音がして、みんなたまげた。
Suddenly there was a loud noise, and everyone was startled.