donkey's ears

Noun

Britain idiomatic plural plural-only slang

(Britain, idiomatic) A long time, years and years. / (military, slang) A pair of scissor binoculars.

Japanese Meaning

（英国の慣用句）とても長い時間、何年も年数が経つほどの長い期間 / （軍事スラング）はさみ型双眼鏡、2つ組の特殊な双眼鏡

I haven't seen my childhood friends for donkey's ears, but we finally reunited last weekend.

幼なじみには何年も会っていませんでしたが、先週末についに再会しました。

Sense（1）

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

Now for my first bath for what the men call ‘Donkey’s ears’, meaning years and years.

Sense（2）

(military, slang) A pair of scissor binoculars.