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.
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.
buck for something
in. to work ambitiously for something, such as a promotion. You can tell she’s bucking for promotion.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.