donkey's years

See synonyms for donkey's years on
  1. a very long time; eons.

Origin of donkey's years

First recorded in 1895–1900; probably originally donkey('s) ears, as rhyming slang for years, with years replacing ears once the rhyming origin was forgotten

Words Nearby donkey's years Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

British Dictionary definitions for donkey's years

donkey's years

  1. informal a long time

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Idioms and Phrases with donkey's years

donkey's years

A long time, as in I haven't seen her in donkey's years. This expression punningly alludes to the considerable length of the animal's ears. [Early 1900s]

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.