YOU SAID:

Your mum is a sweet one, I'd blow her back out

INTO JAPANESE

お母さんは優しいから後ろを吹き飛ばしてやる

BACK INTO ENGLISH

Your mother's so sweet, I'll blow your back off.

INTO JAPANESE

あなたのお母さんはとても優しくて、私はあなたの背中を吹き飛ばします。

BACK INTO ENGLISH

Your mother is so gentle, I'll blow your back off.

INTO JAPANESE

お母さんは優しいから、背中を吹き飛ばしてあげる。

BACK INTO ENGLISH

Your mother is so gentle, I'll blow your back off.