The slang word / acronym / abbreviation SIS

What does SIS mean?

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What is SIS?

SIS is "Sister"

SIS Definition / SIS Means

The definition of SIS is "Sister"

The Meaning of SIS

SIS means "Sister"
So now you know - SIS means "Sister" - don't thank us. YW!
What does SIS mean? SIS is an acronym, abbreviation or slang word that is explained above where the SIS definition is given.
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Other terms relating to 'sister':
· ILYLASI Love You Like A Sister
· LULASLove You Like A Sister
· LYLASLove You Like A Sister
· MSFAMMy Sister From Another Mister
· SFAMSister From Another Mister


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