No, I am not talking about the horrible scene in Star Trek: Wrath of Kahn. If you don’t know the scene I am talking about, consider yourself lucky.
I am talking about the term used to describe when you get a song stuck in your head.
Many people are set off by the theme music of a film or television show or advertisement. This is not coincidental, for such music is designed, in the terms of the music industry, to “hook” the listener, to be “catchy or “sticky” – to bore its, like an earwig, into the ear or mind; hence the term “earworms” -though one might be inclined to call them “brainworms” instead.
from Oliver Sacks, Musicophilia, p 45
Now the next time you get a song stuck in your head you can imagine it as a worm. You can thank me later.