你大爷我就特么拽
[nĭ dà yé wŏ jiù tè me zhuài]
In this username, 'you damn well get used to me being arrogant' conveys a cocky and rebellious attitude with some offensive colloquial expressions involved. '你大爷' is an aggressive expletive. '拽' means being stylishly cocky or arrogant, implying confidence and nonconformity.