Wiktionary
pumped up
1 excited, particularly due to anticipation. 2 (context bodybuilding not comparable English) Having muscles in an engorged state following exercise. v
(en-pastpump up)
WordNet
pumped up
adj. 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]