ripe old age

Very old.
The condition of being very old; used especially to talk about someone who has a long healthy life: I'm sure he'll live to a ripe old age.

My grandmother died at the ripe old age of 92.

I'm sure he'll live to a ripe old age.

My grandmother died at the ripe old age of 92.

For example I heard Barack Obama saying---if I'm lucky enough to live a ripe old age...