A form of dieting in which the end goal is to look like Slenderman.
My slendering is going great!
by Saruman's Army February 5, 2015
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The act of being penetrated from behind so quickly that the victim doesn't have time to turn and see the mans face.
Kaitlin was slendered by a mystery man in the park.

Matt: "Dude I totally slendered my girl in bed last night. Had to roll off the bed to keep her from seeing me."
by not-so-slenderman August 18, 2012
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10-13 year old kids on roblox that online date and think looking like a toothpick is edgy
Oh wow! there's a group of slenders! lets bully them
by Thefactualboys January 26, 2021
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a slender is a stereotype in roblox a slender was created in 2020 or 2021 also some slenders are children and dates cnps but others are doing it cuz they think its a good avatar but some go in rp games and be a slender and they always say "MIIIIIIC UUUUUUUUUUUUUUUP" and always play ragdoll

and they are like the child below but does not ask for robux
slender
by @stoopy January 4, 2022
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dude like that guy is so tall - douche 1

don't you mean slender? - douche 2

same thing - douche 1
by nfnanfladhlkahflhal July 21, 2010
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what happens when you drink and smoke while pregnant
“Drinking and smoking wont affect my child
little do they know their kid will be a roblox slender
by the random idiot December 26, 2022
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an absolute dunkass and a useless grub to humanity
plr1: hi

23kdunkass: mic up kid i get all the roblox cnp on my dick

plr1: *mics up and the dunkass roblox slender is a squeaker*

*friend joins*

*hell.mp3*
by dat_ May 25, 2021
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