Nin*tend"on*i'tis n. [Nintendo® + tendonitis - coined by Michael D. Lynch in 1991 after a 16-hour marathon game. See video-game thumb]]

Condition of aggravated stress, centered in the hands, resulting from excessive playing of video games. A form of repetitive stress injury.

"I was supposed to play in the CPL tournament, but Nintendonitis kept me benched."