When someone photobombs a group photo with a mastubatory gesture
Kendall: 3*2*1*everyone say cheese
Hirsh: aarrgghh Sinai is doing the "the Sinai"
by the sinai November 26, 2014
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Sinay is a attractive person. Sinay has a great sense of humor and is liked by everyone. Sinay is one of the most friendliest person you will ever meet, she is always there for you and is very caring. She is extremely comforting when you need her to be. If you ever meet a Sinay, don't loose her.
"Sinay es mi mejor amiga, no la quiero perder"
by Sinay December 15, 2018
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A stank cunt or A Bad ass thug. With a styling outfit. Loves to drink and have lots of fun. She can Bed in the bed or in the woods.
Sinay is the way to go
by JKLOL#33 February 3, 2016
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little cool place in long island filled with posers, druggies, and preps

guy 1: "hey guy you know that kid from mount sinai"
could go either
guy 2: "yea he tried to sell me some dope, f**kin poser"
or
guy 2 " yea hes pretty cool"
by lilmcfuknuts April 28, 2008
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A girl who isn't a homie hopper and is cute smart outgoing loud has a laughing problem and can take people boyfriends
by Sinai Howell April 26, 2017
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A bunch of white preppy kids who make out with their daddy for some Yeezys and all sorts of hype beast clothes. On top of that girls who also make out with their daddy for a brand new white jeep that they’ll crash and blame it on their zodiac sign
Person 1- “did you hear about the white preppy kid from Mount Sinai?”
Person 2- “he’s a faggot
by Hot Dog Pete January 19, 2021
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