I had enough presence of mind (I thought at the time) to lie my fool head off.
"Someone's got to keep you from blowing your fool head off."
She thought it was I, so she stood at the top of the stairs laughing her fool head off.
He'd do her no good either way by rushing in and getting his fool head blown off.
You can't lose, and the audience'll laugh its fool head off.
"You put one toe in this pool and I'll blow your fool head off."
"Let them bang their fool heads on the wall a couple of times," she muttered.
Kept barking his fool head off, led people right to the spot.
Any moment now Scott would pop in sight laughing his fool head off.
No sense a man's working his fool head off.