"Moggers" comes from online slang built around the verb "to mog," meaning to outclass or overshadow someone, especially in appearance-based meme culture. The term spread through forums, short-form edits and TikTok-style comparison videos, where it became a quick label for someone presented as dominant, attractive or unbeatable. As the slang moved into mainstream meme posting, the sound started getting used as a compact reaction cue. It remains popular because it instantly signals both admiration and irony in one word.