break your neck

break (one's) neck

To put forth a great deal of effort. I've been breaking my neck trying to get a passing grade this semester, so failing by two measly points is incredibly frustrating. Don't break your neck trying to please these people—they'll never appreciate it.
See also: break, neck

break your ˈneck (doing something/to do something)

(informal) make a great effort: There’s no need to break your neck trying to get here by five. We can always wait for you.
See also: break, neck
References in periodicals archive ?
My wife said, `If you break your neck again, you're calling your own ambulance,' ' Tinsley said, his eyes watering with laughter.
You can break your neck, you can break your arm, you can get seriously injured,'' Phillips said.
The trick, of course, is to make sure you don't break your neck in the process," noted Srikanth Sundararajan, co-founder and CEO of Pretzel Logic.