Wiktionary
vb. (alternative form of lose one's head English)
Usage examples of "lose her head".
She knew when she ran out of stories she'd lose her head, so she kept telling them, a thousand and one, until the old king forgot or dropped dead or whatever.
He knew, though, that Georgina was not one to lose her head or send forth a needless alarm.
And when, like so many other young wives, she was widowed by the Copernicus Disaster, she did not lose her head.
What anyone would expect her to do was to have rung up for the police, or the doctor, not to lose her head, and go careering off as she did!
It all happened in two or three seconds, but Nan did not lose her head.
They simply didn't want her to lose her head over someone who already had more than he could take care of, and who, admittedly, acted on impulse rather than logic.
A woman who was apt to lose her head just when she needed it most, like she had with Uncle John.