Nintendication

When someone is such a nintendo fan boy, they practically buy everything Nintendo put out as a first party product, or aspire to own as much nintendo stuff as humanly possible.

When you shit and piss your pants because you don't want to stop playing video games

nintending |ninˈtend ing | adjective attrib. (of a person) planning or meaning to play nintendo.

The closest you can get to the famous Mortal Kombat's Fatality on a Nintendo console.

i.e. Super Smash Bros. Series

Also known as Gamer's Thumb or Nintendo Thumb, Nintenditis is when some part of your thumb or wrist becomes irritated or swollen due to excessive video game playing. A person with Nintenditis will feel pain or discomfort when bending their thumbs or moving their wrists. Note that this can happen with any finger, and not just the thumb.