…怖い人に出会ったら財布とケツの穴を守りなさいってな! The full quote is thus: おまえはママに教わらなかったのかぁ? 怖い人に出会ったら財布とケツの穴を守りなさいっ てな。(Didn't your mother teach you anything? When you meet with scary people always protect your wallet and your arsehole!)