Definition of "jumped-up" in English

adjective

1. (idiomatic, derogatory) Thinking or acting as if one is superior, as by pretending to be of a higher class or having greater authority than is the case.

   • 2007, Nov 27. Scott Murray, writing in Guardian Unlimited: "Stuttgart 3-2 Rangers" We're doomed if this wee jumped-up monkey gets Gordon Smith's blessing.

2. Having risen from a lowly station or an inferior position, often with a conceited or arrogant attitude.

   • 1895, Punch, or the London Charivari, 24 August, 1895, "'Arry on Harry", https://books.google.ca/books?id=S5kwAAAAYAAJ&dq=%22jumped-up+cheap+Coventry%22&source=gbs_navlinks_s You jumped-up, cheap, Coventry bagman, / silk-sampling, no doubt, is your biz