a powermush is the superlative term for mush, the "power" being like the arch in archduke. the powermush generally has some type of mush gear or muscles and a very heavy boston accent. whereas a regular mush might drive an regular monte carlo, for instance, a powermush will drive a monte carlo ss. a power mush will smoke lucky strikes, instead of the reds of the regular mush.
ya dood, you see mikey's fucking firebird.

ya dood, dood's a powermush dood.
by newtonite February 17, 2009
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