やん

「そうそう。せめて２階（かい）にも増（ふ）やして欲（ほ）しい・・・ってなんでお前（まえ）がここにいる！？」「なんでって、そんなん決（き）まってるやんか。一緒（いっしょ）に連（つ）れションするためや」

"I know, right? The least they could do is put one on the second floor, too... Wait a mo! Why are you following me!?" "The 'why' is pretty obvious, don't you think? We're going to the bathroom together."