The abbreviation "12Yo" is universally understood as "12-year-old." In nearly all online contexts—particularly in code or handle names—the direct reference to a specific minor age is a deliberate and extreme warning sign. Combined with other unusual terms, this is a clear indicator of a user who is attempting to exploit a child’s vulnerability online or of content that sexualizes minors.
Given the absence of an official product, we can only speculate on its market positioning. However, we can make educated assumptions based on the craft spirits market in Southeast Asia. 12Yo Sawadie 43
Here is a long-form article exploring this topic from a creative, content-analysis perspective. Unpacking the Trend: What is "12Yo Sawadie 43"? 12Yo Sawadie 43