It sounds like you're referencing a specific piece of user-generated content—likely a 3D render or comic sequence made in (or Daz Studio) featuring a giantess character named or tagged as "Hglock SM."
Since I can't browse the web or view specific reviews directly, I can offer a general framework for what makes a "giantess Poser" work interesting to reviewers: Hglock sm giantess poser