What does idiom a real peach means?

The idiom "a real peach" is not a commonly used phrase. It's likely a playful or informal way to describe someone who is pleasant, charming, and delightful.

Think of it like saying someone is "a real sweetheart" or "a peach of a person".

However, it's important to note that this idiom isn't universally recognized, so it might not be understood by everyone.