Who knows what they might have filled her head with?

Don't make me have to track you down, the words filled his head.

It was more important to fill my head with other things, like living.

Pain like none he had ever known filled his head.

It was what he didn't say that filled my head now.

Why do I need to fill my head with politics?

Did you think that maybe he was filling your head?

Think of my voice, see how it fills your head?

He rose, though the music was still filling his head.

He looked away, though the scent of her still filled his head.