Definition from Wiktionary, the free dictionary
Fanciful extension of up.
- Presumptuous, above oneself, self-important; arrogant, snobbish, haughty.
- Exceeding one's station or position (see usage note below for one example), assuming prerogatives to which one is not entitled.
1993, David Weber, On Basilisk Station, edition Paperback, Sci-Fi, ISBN 0671721631, page 141:
- The Association was openly committed to "restoring the historical balance of power intended by our Founders" between the nobility and the uppity commoners […]
- Be careful about using this in interracial situations: White US Americans have used this to describe black people whom they considered not submissive and subservient enough.
Presumptuous, above oneself