なんでやねんwhat the hell, what the fuck, what are you going on about, you've got to be kidding

娘(むすめ)：「高校(こうこう)やめた。」母(はは)：「なんでやねん！」

Daughter: "I quit high school." Mother: "What the hell!" {what the hell, what the fuck, what are you going on about, you've got to be kidding}

突然(とつぜん)話(はな)しかけられる、「なんでやねん！びっくりしたやろ！」

Suddenly spoken to, "What the hell! You must've been surprised!" {what the hell, what the fuck, what are you going on about, you've got to be kidding}

漫才(まんざい)を見(み)ていると「なんでやねん！」というセリフをよく聞(き)きます。

When watching comedy skits, you often hear the line "What the hell!" {what the hell, what the fuck, what are you going on about, you've got to be kidding}

日本(にほん)のお笑(わら)いでは、ボケに「なんでやねん！」とツッコミを入(い)れる事(こと)になっています。

In Japanese comedy, it is customary for the straight man to respond to the fool's antics with "What the hell are you going on about!". {what the hell, what the fuck, what are you going on about, you've got to be kidding}

深夜(しんや)、夫(おっと)：「これからテニスしようや！」妻(つま)：「なんでやねん！もう夜(よる)も遅(おそ)いで！」

Late at night, Husband: "Let's play tennis now!" Wife: "What the hell! It's already late at night!" {what the hell, what the fuck, what are you going on about, you've got to be kidding}