British slang, can mean laughing in a particulatly funny situation
Phil: *walks out in a hand sanitizer costums*
Dan: "I am creasing! I Am folded in half! I AM ORIGAMI!"
by nhersh January 29, 2021
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When you are watching something and note that it is changing, but you can't tell if it's increasing or if it's decreasing yet. You just notice that it has started to change.
He couldn't tell if the level in the pool was going up or it was going down yet, but all he knew for sure was that the level was creasing.
by OogieWaWa December 21, 2021
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Sweat that seeps between fat rolls.
I got a bunch of crease grease after walking to my kitchen.
by Pinkmin June 26, 2017
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-Booty brows

-The lines under your Buttcheeks
1: yesterday I saw a dude jogging in short shorts that were ass crease height. ‘‘Twas quite nasty.

2: why all these thots be wearing dresses that are ass crease height in the winter?

3: I can hold a pencil in my ass crease. Want to see?
by Smash_the_Pumpkins May 29, 2019
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The beautiful part of a ladies anatomy, also known as the vagina
(Me, virgin) so what does your “heavenly creases” look like?
(Friend Girl) my what? Do you mean my vagina? Haha
by 30YOV January 15, 2021
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An alternate method of describing the anger symbol emoji or its shape when appearing on one's forehead.
"Bro, did you see how mad that guy got? I could practically see his rage crease."
by OdinJrthesecond March 19, 2023
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