YOU SAID:
Doing your mum, doing doing your mum
INTO JAPANESE
あなたのお母さんをやって、あなたのお母さんをやって
BACK INTO ENGLISH
Doing your mom doing your mom
INTO JAPANESE
あなたのお母さんをやってあなたの母をやって
BACK INTO ENGLISH
Doing your mother doing your mother
INTO JAPANESE
あなたのお母さんがあなたのお母さんをやっている
BACK INTO ENGLISH
Your mom is doing your mom
INTO JAPANESE
あなたのお母さんはあなたのお母さんをやっています
BACK INTO ENGLISH
Your mom is doing your mom
That didn't even make that much sense in English.