Top definition
South Korean girl group comprised of four members:

Kim Hyorin
Yoon Bora
Dasom
So You
Hey have you heard Sistar's new album?

Yeah I love their new song "I Like That"!
by Based Sistar October 07, 2016
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2
A wonderful tiny creature that was created by the same vagina as you and is also your best friend
She isn't my sister. She's my sistar.
by BigSistar January 16, 2014
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