He started banging his head against the wall a couple of times.

You might as well be banging your head against a wall.

At some point they must have stopped banging against the door.

He was with you, banging his head against your shoulder.

"After the second day, I was banging my head against the wall," he said.

I never even noticed banging my face against the wall.

I should be banging my head against the wall with joy because you're not dead.

I've done something stupid, banging my head against the wall.

"We've been banging our head against this wall for a long time now," he said.

I banged the palm of my hand against the door.