as old as the hills
US /æz oʊld æz ðə hɪlz/
UK /æz oʊld æz ðə hɪlz/
1.
very old; ancient
:
•
This joke is as old as the hills, but it still makes me laugh.
•
My grandmother's stories are as old as the hills, but I love listening to them.
very old; ancient