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What Does “ISTG” Mean, and How Do You Use It?

– What does istg Mean in Text – ISTG is a popular online abbreviation among today’s youth. Here’s what this multifaceted slang term means and how you may include it in your conversations and social media posts. What is the Meaning of ISTG?  ISTG stands for “I swear to God.” It’s an abbreviation that people …

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