What is the phrase an old black poodle?

There isn't a specific, commonly used phrase for "an old black poodle."

However, you could describe an old black poodle using phrases like:

* A distinguished gentleman/lady: This suggests elegance and age.

* A seasoned veteran: This implies experience and wisdom.

* A wise old soul: This emphasizes their age and the feeling that they've seen a lot.

* A dignified elder: This suggests respect and maturity.

Ultimately, the best phrase to use depends on the specific context and the tone you want to convey.