Well, I guess it depends on your definition of spam, you can really post anything (to an extent) in TWPR, and of course you can pretty much post what ever you want (again, to an extent) in your own diary. Some diaries even have spam threads where the diary owner gives you permission to do whatever you want.
I'm way too high (too high too high)
To be feeling this dry and low
I'm way too tired, I've tried
I'm fired up and ready to roll