What is the poem by frank flynn spider about?

There isn't a poem by Frank Flynn titled "Spider." It's possible you're thinking of a different poem, or perhaps misremembering the author.

Could you please provide more details about the poem? For example:

* What are some of the lines you remember?

* What is the general topic or theme of the poem?

* Do you remember where you read or heard it?

With more information, I might be able to help you find the poem you're looking for.