From Longman Dictionary of Contemporary Englishget a jump on somebody/somethingget a jump on somebody/somethingAmerican English informalADVANTAGE to gain an advantage, especially by doing something earlier than usual or earlier than someone else I want to get a jump on my Christmas shopping. → jump
Examples from the Corpus
get a jump on somebody/something• Admitting defeat, her husband was working Sunday to get a jump on the week.• I want to get a jump on my Christmas shopping. 