break (one's) neck
(redirected from breaking their necks)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.
break one's neck (to do something)
and break one's back (to do something)Fig. to work very hard to accomplish something. I broke my neck to get here on time. There is no point in breaking your back. Take your time.
break one's neck
see under break one's back.
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.break (one's) neck
To make the utmost possible effort.