buck up

British  

verb

1. to make or cause to make haste

2. to make or become more cheerful, confident, etc

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buck up Idioms  

1. 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.

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Example Sentences

Plus, if “buck up” alone were enough, then it already would have worked.

From Washington Post

So, kids, it’s time to buck up and put on a smile.

From Seattle Times

Back in 1922, Bruyere had bucked up a despondent Howard Carter when the Englishman was about to abandon his long search for the tomb of Tutankhamen.

From Washington Post

But there would have been no path at all if Pelosi had not held the line and bucked up the will of her colleagues.

From Washington Post

I am very sensitive to the fact that I don’t want to tell my son to stop crying or to “buck up,” but what about whining that turns into crying?

From Washington Post