Top Definition
An energy drink, such as Monster, Red Bull, Rockstar, or Amp. Though Guidos rely on these energy drinks to function, they generally mix them with one or more types of alcohol to counter the jittery side-effects. Common mixers include Jagermeister and vodka, though they are rarely exclusive to either.
I was just in the convenience store, where I saw two Guidos fueling up on Guido Gas.
by The Notorious J.A.Y. February 23, 2009
6 Words related to Guido Gas

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