Gyat became widespread online as a piece of TikTok and streaming slang used to express surprise, admiration or playful shock, and short reaction clips built around the word spread through edits, soundboards and meme videos. This version is associated with the username Marco_scm, though no single original video or creator moment is documented for it in the available details. Its appeal comes from how instantly recognisable the slang is to younger audiences, which keeps it in rotation for reaction content, thirst-trap parodies and over-the-top commentary even as newer slang appears.