expression
don't you ever come here again!; get lost!
A rude, slangy phrase used to tell someone to go away and never return. Literally means 'come here the day before yesterday,' implying that the person is no longer welcome. Often used in a dismissive or angry tone.
もう二度と来るな！おととい来やがれ！
Don't ever come here again! Get lost!
あんな失礼な客には、おととい来やがれって言いたくなるよ。
With a rude customer like that, you just want to tell them to get lost.
A set phrase combining おととい (the day before yesterday) with the imperative 来やがれ (come, with the derogatory auxiliary やがる). The literal meaning 'come the day before yesterday' is a sarcastic way of saying 'don't come now or ever again.'