Her head full of muddled thoughts, she knocked on the study door.

Its head knocked against the top of the doorframe.

That won't be enough, you're going to get your head knocked in, but it will do you good.

As he stood in the water, it merely covered his feet, and his head knocked against the sky.

The Shadow's ramming head knocked the breath from the fellow.

His head knocked on the steps of the rostrum as if asking to be let in.

He started to stand, but his throbbing head nearly knocked him backward.

As she stood, her head knocked against something dangling from the ceiling on a length of string.

D'ye think you'll help me by getting your own head knocked in?

I said: "There's another one out in the hall, with his head knocked in."