The man's head jerked over and smacked hard against the side window.

Her head smacked against the floor, and she seemed to be out cold.

"I ought to have my head smacked for bringing us this way at all," said Peter.

Then his head smacked into the ground and consciousness left him.

His raised arms and head smacked into the padded floor.

She saw stars again as her head smacked sharply into the side of a counter.

His head smacked into the wall and he fell dead to the ground.

His head smacked the ground first, and he lay groaning.

Ivy grunted when my head smacked into her face, but she wouldn't let go.

His head smacked against the door in front of him, and he felt the sting again.