pumped /pʌmpt/ adjective4 •(slang) Pumped up; excited.I'm feeling pumped for the game on Friday. •(slang) Pumped up; having muscles in an engorged state following exercise. •Very tired, especially when too fatigued to grip handholds well.I was so pumped by the end of the climb that I could barely hold onto the jugs. •Wearing pumps (the type of shoe). formsmore pumped · most pumped