It stands for Sunway International School.
SIS is a private school that based on Canadian Syllabus located in Subang Jaya.
by MalaysiaBoleh October 24, 2017
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Commonly used by fake friends to throw you off of there true intentions towards you , Usually said before they ask you for something
Hey SIS what u doing today? "I'm bout to go to the bank then get my nails done" Ohh I'm broke as hell .U got me till next week ?
by DAPPER DAN84 September 12, 2019
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Sis is the all around language for "Girl." It could also be short for sister. However, when you use sis, it could range from high to low with the meaning behind it. In this case, this is how we refer to our homegirls when we see them, or when responding to a question that has far more beyond just a 'yes' or a 'no'.
Sis, she has no idea
Sis, lemme call you back ! He's about to walk in.
Nah sis, He's for EVERYBODY
Sis! it's wayyyyy more to the story!
Sis, It's all love, but that ain't it!
by TheWordSis.com January 24, 2019
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South African slang meaning, gross or disgusting or shameful.
Ag no SIS , that guy is picking his nose!!
by kz22x February 5, 2022
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sis i is when one desires to express distate for a current situation or to a person usually when drama is happening
"so the waiter comes with my food and the chicken is dry and forgot my drink as well and im just sitting here like sis i...."
by emeraldwolfo May 17, 2020
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A word used in the same context as epicness.
That place was overflowing with epic-sis-ity! Also see dubya speak
by mooby muffen June 30, 2010
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