donkey's years

Noun

Australia Britain Ireland idiomatic plural plural-only

(Britain, Ireland, Australia, idiomatic) A long time, years and years.

Japanese Meaning

（イギリス、アイルランド、オーストラリアの慣用句）非常に長い期間、永い歳月

I haven't seen him in donkey's years.

彼には何年も会っていません。

Sense（1）

(Britain, Ireland, Australia, idiomatic) A long time, years and years.

With a heavy make-up, you’ll be the cutest vamp I’ve seen in donkey’s years.

donkey’s years

（ canonical plural ）