Why is Stella called the wife beater?

Excuse me, but could you please elaborate on the origin of the nickname "wife beater" for Stella? I'm genuinely curious to understand why such a term would be associated with her. Is there a specific incident or series of events that led to this moniker being attributed to her? It seems like a rather harsh and potentially misleading label, so I'd appreciate it if you could shed some light on the context behind it.