buck for something

buck for (something)

To pursue or work toward something. Joe and I are both bucking for the promotion. I know Amelia is bucking for that award, but I heard they're giving it to Jenny.
See also: buck
Farlex Dictionary of Idioms.

buck for something

in. to work ambitiously for something, such as a promotion. You can tell she’s bucking for promotion.
See also: buck, something
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • buck for
  • buck for (something)
  • Whoa!
  • Whoa, Nellie!
  • Whoa, Nelly!
  • believe nothing of what you hear, and only half of what you see
  • be gunning for
  • cast doubt
  • cast doubt on (someone or something)
  • consider