Top Definition
shitamax (also known as Duramax) made by Isuzu worst diesel engine in the world cummins and powerstroke have way more power than a shitamax. when Isuzu makes it, you know it's a shitty ass motor
i'm telling you cummins and powerstroke make a shitamax look like shit
most common place to find shitamax is on the side of the road
by powerstroke guy December 04, 2013

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