Sis spotting

When your friend has a crush on your sister
by Tranny Sammy March 21, 2019
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cous-sis

A cousin so close and tigh with you, they're like a sister. They always have you're back and you can tell them anything.

The sister you never had
"Do you have any siblings?"
"No but I got a Cous-sis"
by s_nizzy April 29, 2015
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crissa's sis

crissa's sis is a christmas cake
by anonktk January 29, 2019
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sis science

Feminine based pseudo science. Common beliefs with no real basis in science but are practiced and passed down like sacred old wives tales and "chick wisdom"

Also see bro science
My mom always told me that emu oil makes your hair grow. I have no idea if that true or just some old sis science.
by portiapotter September 08, 2020
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Si Han

A thoughtful asian that probably loves to read. She acts innocent and overthinks 24/7. She believes in astrology and anything online if it’s about her, her family and friends. She’s also the attractive one in the friend group, but she doesn’t see it because she’s too busy thinking about her own flaws. She needs to be more sociable and stop watching cat videos at 3 AM and actually listen to good advices for her own good.
Stop being a Si Han if you’re going to laze around unmotivated to do anything because your zodiac sign says your the least smartest
by malcombakln November 22, 2021
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si party

The most annoying phrase known to man
"so you wanna do something tonight?"
"si party!"
by Scott Swanson February 12, 2003
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cease si

CEASE SI HERDME! (I just killed a nigger, shall we begin to party?)
by The Moses June 24, 2004
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