Pull up your socks
Meaning
Improve your effort or performance.
Usage
Used as encouragement to do better.
Origin & History
Origins and dates here are approximate summaries. Many idioms have disputed or unknown origins, and not every date has been checked against a historical dictionary, so treat specific dates and stories as a starting point rather than a citation.
Refers to adjusting socks for comfort before action.
Used in British sports and classrooms for decades.