What does the idiom and mean?

The idiom "and" doesn't exist. It's likely you're thinking of a phrase or idiom that includes the word "and".

To understand the meaning, please provide the entire phrase or idiom that includes the word "and". For example:

* "And so on and so forth" - This means something continues in a similar manner.

* "Rain or shine" - This means no matter what the weather is like.

Once you give me the full phrase, I can help you understand its meaning!