The Persian name you choose when you don't know what to name your child. He's either your favorite cousin or a fat d***
Boy 1: You're a Rosstin
Boy 2: Is that good or bad?
by ZlatBurger November 3, 2021
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A rosstin is an amazing, kind and joyful person and you will never meet anyone like them. Please and im literally begging you please never let them leave you they are the best friend, they are funny, cute and so much more. They will always put you first and cheer you up when you feel sad. Remember, dont lose them, I speak from experience :(
Person 1 : Oh my god look at that kid!
Person 2 : Hes so brave to help that old lady!
Person 1 : I know, he is a lot like a Rosstin
by angelslucifer May 24, 2022
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