this guy is the biggest cheater you will ever find,first he is such a cheater and he will rat you out no matter what and dont even start with his obsession of lying
girl-oh that guy is cute
his ex- who?! sebastian... no girl you dont want him he is the biggest cheater ever! and lies
by jeffery.... January 11, 2022
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A Sebastian is a huge loser who likes underaged girls, and enjoys looking at them suffer while he fucks the living shit out of their petite little body. How disgusting...
Girl: "HELP"
Sebastian: "Open your mouth"
by xXxFaze_SebastianxXx May 5, 2022
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Sebastian is smart, cool, perfect, and is very very VERY handsome.
Person A: Hey did you see that new kid at school? He's so cool

Person B: Yea, he's a Sebastian frrrr
by Sebs123 June 14, 2023
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Sebastian is a player, He breaks girl's hearts and uses them. He cares so much about what others think and all the girls want him. He is a badass little kid that balls haven't dropped yet, and he lies about every single thing even little things and he turns good people into bad people. He can be nice and caring when he wants to, but he makes girls feel insecure.
Sebastian: You a ugly fat bitch
Me on the outside: Whatever
Me on the inside: That kinda hurted me doe
by BIGbooty84 April 8, 2021
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That one kid with a mustache in year 7
the mustache is thicc and lucious
sebastian: **mustache noises**
by kqi walliams October 27, 2022
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2018 crybaby world champion. Bigger baby than Clifford!
"Sebastian cries to much."
"Sebastian is always complaining. "
by Sean Paulo November 23, 2021
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