He screamed his head off on the roller coaster.
The government took steps to head off summertime shortages of gasoline.
The cavalry will head off the bandits at the pass.
We will head off on our holidays tomorrow.
I cannot think of any good examples off the top of my head, but give me a couple of hours and I'm sure I could come up with something.
The president doesn't know what to do. He's running around like a headless chicken.
He won't have a pleasant morning, I can tell you! I shall snap his head off every time he speaks to me.