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When you have a younger sister/sibling that is better looking than you
Stacie is okay but have you seen her little sister Jessica? Stacie totally suffers from Y.C.S.S. (younger cuter sister/sibling syndrome)
by Discobeck August 28, 2018
mugGet the Y.C.S.S. (Younger Cuter Sister/Sibling Syndrome)mug.
She has rejected you in your prospects of mating her.
"Hey, Mariam, I think you're really pretty. Wanna go out?"

"No, Cthulu, I like you like a younger brother"
by anonymous March 9, 2023
mugGet the I like you like a younger brothermug.

evie younger

evie is the sweetest girl you will ever meet, she is so beautiful and nice and is always there if you need a shoulder to cry on. dont let evie go or you'll regret it. shes absolutely perfect and the best friend you could ask for.
i love evie younger we're very close
by lollingtonsimcool November 26, 2021
mugGet the evie youngermug.

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