at the drop of a hat in a sentence

Examples

1. This includes dismissing people at the drop of a hat.
2. The man can bristle at the drop of a hat.
3. Dot-com employees traveled " at the drop of a hat,"
4. Women report crying at the drop of a hat.
5. The drivers strike at the drop of a hat.
6. And the United States was there to defend Pakistan at the drop of a hat.
7. They have to be ready at the drop of a hat to defend the country.
8. "They could meet at the drop of a hat, but they're refusing to meet ."
9. They can argue at the drop of a hat.
10. Actually, why is it that people come here expecting sanctions at the drop of a hat?