recherchez un mot, comme donkey punch :
 
1.
Several decades.
World war Two was donkey's years ago.
de Kung-Fu Jesus 2 mai 2004
 
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.
de possum_sue 20 avril 2008
 
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!"
de AnnaOhhhh 14 septembre 2009