gird up loins

gird (up) (one's) loins

To prepare oneself to face or contend with something. You better gird your loins in preparation for another holiday with my dysfunctional family! They better gird up their loins—the weather up there is no joke.
See also: gird, loin
Farlex Dictionary of Idioms.

gird up one's loins

Fig. to get ready, especially for hard work; to prepare oneself (for something). Well, I guess I had better gird up my loins and go to work. Somebody has to do something about the problem. Why don't you gird up your loins and do something?
See also: gird, loin, up
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • gird loins
  • gird one's loins
  • gird your loins
  • gird
  • gird (up) (one's) loins
  • gird (up) one's loins, to
  • kick (oneself) for (doing something)
  • wash hands of
  • wash your hands of somebody/something
  • wash your hands of something/someone