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.
I concluded that I had Nintenditis when I noticed a constant pain in my thumb during a game of Super Smash Bros.
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