Wordnet 3.0
ADJECTIVE (1)
1. 
 tense with excitement and enthusiasm as from a rush of adrenaline; 
- Example: "we were really pumped up for the race"- Example: "he was so pumped he couldn't sleep"[syn: pumped-up(a), pumped up(p), pumped(p), wired]
WordNet (r) 3.0 (2006):
pumped-up
    adj 1: tense with excitement and enthusiasm as from a rush of
           adrenaline; "we were really pumped up for the race"; "he
           was so pumped he couldn't sleep" [syn: pumped-up(a),
           pumped up(p), pumped(p), wired]