A most deadly virus first shown from the Nintendo DS game, Mario & Luigi: Bowser's Inside Story. Bowseritis (or the Bowser Virus) are suppose to infect a person to the others causing them to transform into a Koopaling species (depending on their ages, sizes, etc.) or becoming an original character with the exact same reference as Bowser.
Doctor: "Yes... Do I see it? I do. And it emerge? It did. A most deadly virus that will surely spell your doom... It is...called..."
*Bowser's face shows up in the crystal ball*
Doctor: "BOWSERITIS!"
Bowser (in the crystal ball): "MWAHAHA!"
Bowser (from behind them): "Somebody page me?"
*Bowser's face shows up in the crystal ball*
Doctor: "BOWSERITIS!"
Bowser (in the crystal ball): "MWAHAHA!"
Bowser (from behind them): "Somebody page me?"
by Emerstta January 26, 2023
Junior is a turtle who likes dinosaurs and who is a little annoying sometimes to chef pee pee and annoys his dad (bowser) when he is watching Charlie and friends
by Smlfam shahs November 25, 2017
by Troy46930473 December 06, 2020
John: Oh God, Ricky's about to start dancing
*Ricky does some lame ass dance move*
John: He's such a break dancing bowser
*Ricky does some lame ass dance move*
John: He's such a break dancing bowser
by NasaGal March 06, 2019
by PlotagonRocks September 21, 2020
by whitecarchocolate August 14, 2022
Mario: Bowser, you do realize that you've done the same thing over and over and over again expecting different results, right?
Bowser: So?
Mario: That's the definition of insanity.
Bowser: So?
Mario: That's the definition of insanity.
by Geek64 January 13, 2021