a gamer holiday that is celebrated on march 10th because of the way it appears when it is written as MAR.10, MAR,10 MAR/10... etc.
I beat every mario game I own in celebration of mario day!
by francis suarez March 23, 2007
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a gamer holiday that is celebrated on march 10th because of the way it appears when it is written as MAR.10, MAR,10 MAR/10... etc.
I beat every mario game I own in celebration of mario day!
by francis suarez March 16, 2007
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That era of the late twentieth century that lasted from about 1986 to about 1997. The childhood of Generation Y and the young adult/teen hood of Generation X.

Named of course, after the Nintendo character Mario, who, with his love of pizza, and goofiness, in my opinion really defined that era from the late 1980s to the mid 1990s.

Good times. Just prior to the Mario Days was the Atari Age (1977-1985) and just after was the cultural Dotcom era (1997-2005). Today, and since about 2006, we are living in the Emo Age.
'Remember what it was like, back in the Mario Days? We'd play Nintendo, eat pizza, and look at the moon. The Internet was a rumor then, time ran a little bit slower.'

'Yeah man, I miss those days.'
by 80sfann November 10, 2011
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Every March 10th were people challenge themselves to chug gallons of milk
I better buy milk for Mario Milk Day
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If you have a friend named Mario, you will have to do what he says for 1 day (Note: if he doesn't, he has to change his name to whatever Mario wants)
Mario: Hi diego, its mario day

Diego: Yes
Mario: i want pizza :D
by December 16, 2020
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