the day that all slytherins around the world will celebrate the house slytherin. We have amazing witches and wizards in this house including you so we will celebrate you. Show your house pride by wearing your house colors that day.
Hey what is today ? “ slytherin pride day of course” what only the mean will celebrate that. “no not all are mean it’s a stereotype I’m celebrating my house, Slytherin!!”
by izzyy January 28, 2021
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-Non-traditional Slytherins- The ones that just take Salazar's traditions and traits that we are associated with our house and throw it out the window and make way for some new Slytherin that they made up...the ones that think these traits and traditions are bad and wants us to follow the "good" traits that they deem appropriate for us.

- Non-traditional Slytherins are those who were hoping to be in another house, disappointed to be sorted into Slytherin because they either a) buy into all that stereotype about how we're only all evil or b) have thought of themselves as another house for years. But they're stuck here even though they want to be elsewhere, so they decide to be the "good" Slyths, the ones who display all these "brave, smart" etc qualities of other houses, proving to themselves that they are different from other snakes and are better, maybe alleviating their own bad feeling about ending up here. They think they're showing that they're a Slyth without really being a Slyth, as if that's a good thing.
"Hey I'm a slyth, but don't judge me or think bad of me, I'm not evil and dark, I am NON-TRADITIONAL SLYTHERIN!"
by SnakeHouse12 March 9, 2012
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phrase used to communicate that you just anal intercourse
so we went back to her place and she was kinda freaky so when we were done i reached over and texted my homeboys 10 points for Slytherin
by falilth December 1, 2010
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Phrase you say when done mischieves and being confronted blaming on the fact that your in the sly Hogwarts House of Slytherin.
1: You ugly
2: Hurtful!

1: Slytherin so I can

2: Hey not cool man. Refill costs .50!
1: Slytherin so I can
*Slurps Coke*

Judge: What do you have to say in your defense?

1: Slytherin so I can
by Poopdoctor December 10, 2014
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While wearing a harry potter related costume, do all things possible to make you penis flaccid and at all means necessary attempt to forcefully stuff you flaccid snake wiener in a hole, anus, vagina, or what ever you may see fit
Billy: Hey Willy i dare you to preform the royal slytherin on that ant hill!
by Dewbz September 23, 2014
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The overwhelming need to be the best at something, anything.

Comes from the major ambition associated with the Slytherin House.
Becky was crying because her teacher told her that she was as good as the best person in class because she has Slytherin Syndrome.
by SexualGiraffe December 7, 2016
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