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What Does SIS Mean?SIS means "Sister."
"Cyber Speak" TestYou now know what SIS means, but are you good at Cyber Speak? Well, let's see!
- This test has questions.
- You will score at least 5 points for a correct answer.
- You will score bonus points for answering the questions quickly.
- Be careful though. Wrong answers score 0 points.
- The maximum score is .
Summary of Key Points"Sister" is the most common definition for SIS on Snapchat, WhatsApp, Facebook, Twitter, Instagram, and TikTok.
1: Easy to guess
Adults and Teenagers
Example of SIS Used in a Text
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