bolter
/ˈboʊltər/
noun
- A person or animal that runs away or escapes suddenly, especially a horse that bolts.
- She called her dog a bolter because he always slipped his collar and ran off.
- The farmer had to chase the bolter across three fields before catching it.
- The horse was a known bolter and would take off at any loud noise.
- A person who leaves a situation, group, or relationship abruptly.
- In the middle of the project, she became a bolter and disappeared without a word.
- He was a bolter in every relationship, never staying more than a few months.
- The team lost its star player, a notorious bolter who quit mid-season.