This appears to be a brand or studio name associated with adult media rather than a registered horse name.
Likely represents a date (July 15, 2022), which could correspond to a "foaling date" in a horse context or a content upload date. DontBreakMe 22 07 15 Mini Stallion Shes Mini XX...
Instead, this keyword string is often used as a metadata tag for adult-oriented platforms or misleading click-through sites. This appears to be a brand or studio