There are a lot of interpretations of this on the internet, so it leaves me feeling like I don't know what it is exactly, let alone how to capture it. However, I have found a few definitions I can work with.
So here is the link to the Wikipedia definition which as far as I can tell means blur in a photo.
This definition is interesting to me because it doesn't just talk about the blur existing, it talks about the feel of the blur.
Here's my attempt.
Let's go visit Kate!