Is the phrasal verb “buck up” used only in British English, not in American English?

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Chapters
00:00 Is The Phrasal Verb “Buck Up” Used Only In British English, Not In American English?
00:17 Accepted Answer Score 26
04:04 Answer 2 Score 6
05:20 Answer 3 Score 3
06:26 Answer 4 Score 2
06:37 Answer 5 Score 2
07:02 Thank you

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Full question
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Tags
#phrasalverbs #transatlanticdifferences

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