1 definition by Mistia

A word used to describe GLaDOS in Portal 2, where she is strapped to a potato battery, and stuck to the Aperture Science Handheld Portal Device.
Person 1: Dude, why do you have a potato on your portal gun?

Person 2: It's a Portato Gun! With all the powers of Portals, GLaDOS, and Potatos!
by Mistia May 19, 2011

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