This day is commonly knows as Halloween, where children dress up as scary costumes or cosplay characters. Kids go knock on other people’s doors and usually say “Trick or Treat!” Getting candy from the people who give out candy. Also people who are born on this day a rarely but sometimes referred to demon semen. Including me.
“What’s on October 31st?”
“Halloween dummy! Everyone knows that! Also it’s my birthday”
by FishyYT April 19, 2019
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Me: Can I hug you?

Crush: Why?

Me: because it’s March 31
by Loreal March 30, 2021
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Hatsune Miku's birthday/release date. Hatsune Miku is a synthetic vocal program that can be used to make songs.

Many weebs celebrate her birthday, and hardcore weebs will celebrate it irl.
"Are you free August 31?"
"No, sorry. I have to make a birthday cake for my electronic waifu Miku."
by neon.kai October 16, 2019
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Spooky hours. On October 31st at 11:59 your must give your best friend your hoodie, and then ask them out. If they say yes then you win but if they say no you have run out side in only your boxers on screaming the spooky scary skeleton song for 1 hour long
You use it like this how you can play with the game modes you play and it has to a game like that I don’t want you too don’t play with the game you don’t have to if ya don’t have to get something you don’t wanna hear it then I’ll get ya something else I’ll get it I’ll get on the road I’ll get it I’ll send it back on October 31
by JOHN JR October 18, 2019
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Legit YouTuber aka DC fanboy , *ahem* let me reiterate that, snyder fanboy that supports anything coming from Zack snyder even if it’s a pile of shit

Jk seriously, a funny YouTuber that like all of us just wanna see the snyderverse restored
The truth 31: ey whatsup my beautiful dc brothers and sisters dkdhcdifhcjdkfjffm

Restore The SnyderVerse

Subscribers: affirmative!

The Truth 31: good boy
by Nukedmunxxx March 26, 2022
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International eat as many cookies as you like.
May 31st is international way as many cookies as you like day. I made this day because my mum said no to me eating a load of cookies. BUT NOW SHE CANT REFUSE.
by pls.suck.my.dick May 31, 2021
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"Holy shit, that person has the same birthday as harry potter, july 31!"
by houseofleaves July 8, 2009
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