set your teeth

set (one's) teeth

To be or become resolute and determined (to do something). Despite his ankle sprain, the batter stepped up to plate, set his teeth, and knocked the ball out of the park. We just need to set our teeth and do what needs to be done.
See also: set, teeth
Farlex Dictionary of Idioms.

set your teeth

1 clench your teeth together. 2 become resolute.
See also: set, teeth
Farlex Partner Idioms Dictionary
See also:
  • set (one's) teeth
  • curve ball
  • curveball
  • the plate
  • dust off the batter
  • gopher ball
  • step up to the plate
  • beanball
  • drop (one's) teeth
  • drop one’s teeth
References in periodicals archive
But if you think he's given up those saccharine puns that set your teeth on edge, think again.
best on the box
THE one thing guaranteed to set your teeth on edge in Hustle are the twee little fantasy inserts.
Your LIFE: WE LOVE TELLY! - Frock star stitched up PICK OF THE DAY HUSTLE BBC1, 9pm
"In the spring the sea air blights the blossoms of the stunted fruit trees, so that you think yourself lucky to find a wizened apple, though it will set your teeth on edge should you try to eat it.
`Wish you weren't here' letter
SOME debate in my part of the world as to the spelling of the word 'nause' (or should that be 'naus'?) But no debate on its definition - an irritation, a pain in the backside, somebody guaranteed to set your teeth on edge every time he opens his mouth.
Macca: Paw show from tee-dious Tiger
It may set your teeth on edge, but it does the job!
TOP TIPS; Your say