When a person hasn't seen or done something after a large amount of time has passed.
Holden hasn't seen his estranged father in donkey years.
by Babydoll75 February 26, 2019
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Used to describe a very long passing of time.
I haven't seen Melvin in Donkey's Years! Not even sure I'd recognize him if he walked up to me.
by talk2me-JCH2 July 7, 2022
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1. oh, I've known her for donkey's years.

2. I've worked her donkey's years and I still don't know how to use the photocopier.
by possum_sue April 20, 2008
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Sometimes referred to as Donkey Years or Donkey's Ears. It means a really really long time.
"I haven't seen Johnny in Donkey's Years"

"Wow it's been Donkey Years since the last time I ate pop tarts!"
by AnnaOhhhh September 14, 2009
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Many, long years; a long time spanning 2 or more years. Used when those years felt long.
Wow thats gonna take donkey years to finish
by Bri.P. October 18, 2010
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