The third episode in the Battle Kid Game Grumps series, in which one of the hosts, Arin Hanson, has various mental breakdowns due to being unable to beat a boss. In the end he quits the game by mistake. This phrase can be used when talking about a horrible experience.
Oh, it's Battle Kid Episode 3 all over again...
1. Racing video game series published by Nintendo, featuring primarily characters from the Mario franchise.
2. A sexual act involving the ejaculation of a dog inside of you, or your ejaculation inside a dog.
1.
Mario: Hey brother, you up for a game of Mario Kart?
Luigi: Sure thing bro, get the Gamecube set up.
2.
Mario: So, you got any plans tonight?
Luigi: Eh, not much, was thinking of doing a Mario Kart...
Mario: That poor dog of yours doesn't know what's coming...