in thunderation

Prepositional phrase

US colloquial

(US, colloquial) In any set of circumstances whatsoever.

Japanese Meaning

どんな状況でも、いかなる場合にも / 全くどんな場合においても

She wouldn't, in thunderation, let anyone tell her what to do.

彼女はどんな場合でも、誰にも自分に何をすべきか言わせないだろう。

Sense（1）

(US, colloquial) In any set of circumstances whatsoever.

How in thunderation could anyone anticipate a result like this?