When you feel down or when you feel sad When your mind makes you think that everything's bad Try not to worry, you aren't completely insane Just remember: There's a worm in your brain Hey, the worm in my brain tells me I don't have the body type to pull off wearing denim But I just tell it to pipe down! And the worm in my brain makes me think That the documents I've been forging have led to many deaths But I know that's just silly Huh? That's right You have a worm in your brain Yes, we all have a worm in our brain Even the worm in your brain has a worm in his brain That worm has a worm, has a worm