When two or more friends see eachother for twenty four hours.
We saw eachother from 3pm on Saturday to 3pm on Sunday. It was a 24 hour sleepover!
by SLEEPOVERR GIRLLL April 27, 2011
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When it's Sunday evening after you had a sleepover with your friend on Saturday night, and you realize it's back to school again on Monday.
When I was 13, I spent the weekend at Cetin The Cretin's house. As I got home on Sunday evening... I realized things were boring and school started soon... post-sleepover depression.
by Downvoting Victim January 1, 2014
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When a sus dude swears he’s straight but acts otherwise. The guy could either be in the closet or really be straight but be trying to get into the girls sleepover for some action as “the gay friend.” Wouldn’t recommend.
Guy 1: Yo do you believe Carson is actually straight?

Guy 2: I’m not sure, he acts totally gay but could just be tryna get into the girls sleepover.
by LightlessLamp August 15, 2020
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The act of two or more bro's staying up late engaging in mutual masturbation over webcam (at least one must be Canadian)
Hey boys who's jumping in with me for this Canadian sleepover tonight
by Canadian Sleepover April 14, 2022
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Ingredients and Directions

Grab the butter. Scramble eggs. Extract the vanilla. Insert the wedding vegetables into the cocoa.

Warning, may contain nuts.

Not to be confused with the slumber party, while surprisingly similar, participants must not know fear.

Correct banana peeling technique is a must.
Hashbrown: What's happening this weekend?
G-Dud: Brownie sleepover.
Hashbrown: Is that like a Russian trombone or Italian chandelier (lampadario italiano)?
G-Dud: Browner.
by Hashbrown00 March 5, 2014
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The etiquette of wooing a male/female and gaining one’s trust to engage in a night of lust in a foreign household. Naughty sleepover
by Christoph23 April 7, 2023
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What you tell your parents you’re going to do when you’re actually going to be pissed on some field and trowing your guts up from drinking too much WKD or Smirnoff.
Child: “Mum I’m off to a sleepover at Dan’s house, I’ll be back in the morning.”

Mum: “Ok, have fun.”

Child: *Smirks*
by THICC SNACC March 27, 2019
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