His head spun around him as he hit the floor.

His head still spun a little, but the feeling passed.

I felt as if my head were spinning like a top.

I tried to keep up, but my head was spinning.

The thought of what it all must cost set her head spinning.

With his head spinning, he had to make a great effort to be able to hear anything else she said after that word.

This all had my head spinning a bit, to tell the truth.

Two can play at this game, he thought, his own head still spinning.

Your head is probably spinning from all of the questions you have at this very moment.

With my head spinning the way it was, those were the only two things I could think of doing.