When you take a long nasty shit in your sleep.
I after I finished fucking this chick we went to bed, but then I woke up the next morning and discovered a slumbering lumber.
by Moseby July 12, 2010
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The act of crapping on both sides of a friend's head while they are sleeping over to create the illusion of Africans having a slumber pary from afar.
When Bill told me he didn't have my money the night he came to sleep over i decided to throw him an African Slumber Party.
by M3tzg3rm3ist3r March 26, 2009
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Function: noun
Etymology: early Latin slumbêe. In slumber. Affiliations with the country, Australia, and the numerous uses of vegemite.

Definition:

1:the act in witch vegemite is applied while in the activity of sexual intercourse.
Wow, can you believe the mate used 5 jars of vegemite for her Australian slumber party?

Yea, I heard it was pretty sticky...... I mean the vegemite, of course.
by Rontheman144 September 18, 2011
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The act of staying up to all hours of the night chatting away with your long lost friend, pen pal, or sexting buddy on Facebook. You can talk about your favorite TV show, how much weight you've gained/lost, the massive dump you just took, or which girl's picture you hate the most. But best of all, you can stay up all night talking to someone without actually talking to someone!
Betty: What'd you do last night, Sal? You look rough.
Sal: Oh I just had a facebook slumber party with Tina. We were up until three in the morning just laughing our souls out!
by caiphie887 December 22, 2010
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A party where people wear 10 pounds of makeup, the thottiest clothing they can get their hands on with a pair of vinyl stilettos and large fake eyelashes. A few minutes into the party and the place is covered with glitter, broken glass, and puke. The partygoers enjoy themselves with pink frosting, cocaine, and champagne. Fights usually break out during this time that involves hair being ripped out and free nose jobs. These parties usually end 2 days after it begins.
Person No. 1 - "OMG, yesterday at Britney's plastic surgery slumber party I had the best time of my life. I snorted tons of cocaine, got white girl wasted, and ate 4 cans of Pillsbury frosting."

Person No. 2 - " Why didn't you invite me, we could've whooped some basic bitches while we were there."

Person No. 1 - "Don't worry, I whooped tons of ass while I was there."
by pink cocaine March 30, 2021
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Spending the night with someone and having sexual relations.
Friend: So what did you do last night?
You: I attended a sexual slumber party.
by Crazy Kayce January 15, 2009
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A variation of “you snooze you lose” but much more fancy fancy Spansy.
Lily: “Why did you post a picture of me sleeping in class”
Me: “You slumber, you blunder
by The kool kids February 3, 2022
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