You Never Wash Up After Yourself lyrics

I must get out once in a while
Everything is starting to die
The dust settles, the worms dig
Spiders crawl over the bed

I must get out once in a while
I eat all day and now I'm fat
Yesterday's meal is hugging the plate
You never wash up after yourself

Submitted by Guest

What do you think is the meaning of You Never Wash Up After Yourself by Radiohead?