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1.
To carry one’s self with heavy or unsteady movements from side-to-side with infused enthusiasm, competitive spirit, energy, and exerting oneself in a manner likened to pumping.

The famous rapper Eminem in several popular videos to include “Lose Yourself” demonstrates many moments of “swag pumped” in front of his dressing room mirror prior to performing. Additionally, several moments can be viewed in this same video where his whole audience is “swag pumped”.
“This world is mine for the takin’…so swag pumped!!”
by Gambler42 August 19, 2010