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Said to have originated within Google, early 2000s, originally to give positive feedback on other people's work in a code review.


LGTM (informal, originally programming jargon)

  1. Initialism of looks good to me.
    • 2020, Titus Winters, Tom Manshreck, Hyrum Wright, “Code Review”, in Software Engineering at Google [] [1], O'Reilly, →ISBN:
      The primary end goal of a code review is to get another engineer to consent to the change, which we denote by tagging the change as “looks good to me” (LGTM). We use this LGTM as a necessary permissions “bit” (combined with the other bits noted below) to allow the change to be committed.