yeetのようなどんな単語でも探してください。
 
1.
Several decades.
World war Two was donkey's years ago.
Kung-Fu Jesusによって 2004年05月02日(日)
 
2.
A really long time.
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.
possum_sueによって 2008年04月20日(日)
 
3.
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!"
AnnaOhhhhによって 2009年09月14日(月)