buck up

buck up

To adopt a positive outlook, attitude, or mood when one is upset or discouraged. Although the phrase is typically used as an imperative, a noun or pronoun can also be used between "buck" and "up." Buck up, honey—I'm sure the interview didn't go as badly as you think. I tried to buck up my daughter as she fretted over her test scores. Thanks for trying to buck me up, but I think I just want to be by myself for a while.
See also: buck, up
Farlex Dictionary of Idioms.

buck up

to cheer up; to perk up. Come on, now, buck up. Things can't be all that bad. She began to buck up when I showed her the results of the tests.
See also: buck, up
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

buck up

Cheer up, become encouraged, as in Buck up! We'll soon have it done, or Even the promise of a vacation did not buck her up. This term was first recorded in 1844.
See also: buck, up
The American Heritage® Dictionary of Idioms by Christine Ammer.

buck up

v.
1. To make one's self feel more heartened or ready to confront a problem: I eventually bucked up and started doing something about my financial problems.
2. To make someone feel more heartened or ready to confront a problem: Getting a good grade on the quiz bucked me up for the big test. The football team bucked up the crowd when they scored a touchdown.
See also: buck, up
The American Heritage® Dictionary of Phrasal Verbs.

buck up

in. to cheer up; to perk up. Come on, now, buck up. Things can’t be all that bad.
See also: buck, up
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • involve with
  • involve with (someone or something)
  • involved with
  • adapt (something) to (something)
  • adapt to
  • arch over
  • angle
  • angling
  • not do (someone or oneself) any favors
  • adopt out