Long in the tooth

Pro Tip 1/3

Often Humorous

The phrase is frequently used in a light-hearted or humorous way, rather than as a serious comment about someone's age.

My dad is long in the tooth but he can still beat me in chess!

Pro Tip 2/3

Informal Contexts

It's common in casual conversation among friends, but may be seen as impolite if used in formal situations or with strangers.

We're all a bit long in the tooth for an all-nighter.

Pro Tip 3/3

Not Literal

The phrase isn't about teeth. It's a metaphor for someone's experience or tenure often coinciding with older age.

Professor Moore is long in the tooth, so he has a lot of wisdom to share.