Definition

Acronym for 'I swear to God'; used to emphasize sincerity, disbelief, frustration, or the truthfulness of a statement with added intensity.

Example Usage

istg that actually happened—I'm not making it up.

Origin

Evolved from the spoken phrase 'I swear to God' adapted into text-speak format for digital communication efficiency.

Fun Fact

ISTG is particularly common in younger demographics and has become a staple of social media communication, though it rarely involves actual religious invocation.

Source: Definition backfill (hailey)

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