donkey's years

plural noun

chiefly British

: a very long time

Synonyms

• aeon
• eon
• age
• blue moon
• coon's age
• cycle
• eternity
• forever
• long
• months
• moon

Examples of donkey's years in a Sentence

the greengrocer and the fishmonger haven't spoken in donkey's years

Word History

First Known Use

1927, in the meaning defined above