Search Result for "jumped-up": 
Wordnet 3.0

ADJECTIVE (1)

1. (British informal) upstart; 



The Collaborative International Dictionary of English v.0.48:

jumped-up \jumped-up\ adj.
   Upstart. [British informal]
   [WordNet 1.5]


WordNet (r) 3.0 (2006):

jumped-up
    adj 1: (British informal) upstart