Teen Slang · Online & texting

What does “ISTG” mean?

'I swear to God' — used for emphasis or mild frustration. 'ISTG if you delete my save again.'

Where “ISTG” comes from

Texting acronym from the early 2010s, now standard in chats and comments.

Why teens actually say it

It adds intensity or exasperation quickly in text.

What it means for you as a parent

Routine texting shorthand. Tone, not the acronym, tells you if they are actually upset.

How it’s used

  • “ISTG if you delete my save again I’m done.” Mock-serious threat over something small. Frustrated but joking.
  • “ISTG this is the funniest thing I’ve seen.” Swearing for emphasis on how real it feels. Genuinely tickled.

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