What you say when you see a video game company come up with a really bad idea or when someone is about to play a bad game. This phrase is used to say that someone should not go through with their shitty idea.
Bob: Did you see the trailer for Call of Duty Infinite Warfare? Joe: Yeah. They should have Nintendon't.

Carl: I'm going to play Paper Mario Color Splash. Karin: Dude, Nintnedon't.
by The Nicholas and the Cage November 23, 2016
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