He was bone tired, too, and grainy-eyed, suffering from a killer headache.

I'm punchy and I have a killer headache, but the coffee will keep me awake for a little while.

He rubbed his forehead, where a killer headache was forming.

Sergei sighed, rubbing the bridge of his nose as though he were the one with a killer headache forming.

Only short bursts at the PC today - killer headache yesterday has left me with second hand eyes.

Here's what you need to know the next time you get a "killer" headache.

It wasn't easy; his legs were unsteady, and the new light was giving him a killer headache.

We all know people who blame the weather for their achy joints, killer headaches, and many other health woes.

Ever really take it to yourself at the gym only to wind up with a killer headache?

It would be a killer headache if I missed them here.