Top Definition
a physical condition brought about by spending way too much time playing guitar simulation games such as Guitar Hero or Rock Band. Symptoms include inflamed knuckles and chafing of the thumb, accompanied by a tendency to ignore requests to "make this your last song and clean your room." Those inflicted with this condition often complain of symptoms similar to vertigo and visions of parallel vertical bands constantly rolling by in front of them. Plasticaxeitosis is sometimes considered an addiction that needs to be treated by using psychological methods as opposed to medicinal treatments.
After complaining of various pains, irritations and dizziness, Eric was diagnosed with plasticaxeitosis.
by hortonhearsawho April 08, 2008

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