小三夺走了我男友

This means literally 'The Mistress Took Away My Boyfriend,' implying sadness or anger toward infidelity. It represents a situation commonly depicted in dramatic narratives or social media rants where someone feels wronged by a third party介入别人的感情生活，抢走了自己心爱的人。这种用户名表达了对不公平的抱怨和失望。