Definition of buck up one's ideas in English:

buck up one's ideas

  • British informal Become more serious, energetic, and hard-working: she wouldn’t have a job, she realized, if she didn’t buck up her ideas
    More example sentences
    • The goal breathed much-needed life into Scotland but it also resulted in the US bucking up their ideas.
    • England bucked up their ideas after the break and capitalised on the Slovaks’ tiring before a late rally in which they almost sneaked an equaliser in the dying seconds.
    • Pickering Town boss Jimmy Reid has issued a stark warning to his players - buck up your ideas or lose your place.
See parent entry: buck

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