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...
by WitherHD November 19, 2017
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When during sex you creampie the woman and then piss all over her face reminiscent of Mario spraying fludd over the npcs in "Super Mario Sunshine"
Bob: "Last night I gave a good Super Mario Sunshining on the wife and pissed all over her face!"
Jim: "Fucking hell bob we're at grandpa's funeral!"
by NyarLord July 22, 2023
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another title for Mario and luigi: Bowser's inside story
guy 1: i'm playing Mario and Luigi: Bo-
guy 2: Docter Mario?
by El Trashe Bage November 23, 2020
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Very insecure and deflects it onto others
Mario from school is A insecure person that maya doesn’t like
by Brhebehdhrh November 28, 2021
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A godly human also known as ***** ***** (kid) needs help and probably is asleep bye 8:30 which is sad. She sucks at minies and no one likes rider. The role play man is coming for your gOoSeBuMpS
by yInGyOnG April 8, 2018
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