1 definition by The Muffin Man2312313

A way to express any awesomeness that a Guido might find awesome. Taking one's arm and thrusing it into the air with a closed fist many times in a row shouting GUIDO PUMP!!! This action originated on the Frog Bus of West Milford High School in West Milford, New Jersey.
HEY! Shane's on the bus! GUIDO PUMP!!!GUIDO PUMP!!! GUIDO PUMP!!! Hey Muffins, you suck! GUIDO PUMP!!! GUIDO PUMP!!! GUIDO PUMP!!!
by The Muffin Man2312313 October 01, 2006

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