Meaning of the word "old chestnut" in English

What does "old chestnut" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

old chestnut

US /oʊld ˈtʃɛs.nʌt/
UK /əʊld ˈtʃɛs.nʌt/
"old chestnut" picture

Idiom

a joke, story, or saying that has been told so often that it is no longer funny or interesting

Example:
Oh, not that old chestnut again! I've heard it a hundred times.
His speech was full of old chestnuts and clichés.