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When someone or something is getting you "pumped up." As in getting "pyched up" or increase of intensity. The thing that is getting you intense is pumpage. It is similar to "pwnage".
Papa Roach is pure pumpage.

Man 1: Did you hear the pumpage from that Linkin Park song?
Man 2: Yeah dude, that pumpage was level 5 outta 5.

by sports4champs January 27, 2008
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