YOU SAID:

i want a mother freaking girlfriend.

INTO JAPANESE

母親がおかしくなりそうな彼女が欲しい。

BACK INTO ENGLISH

I want her, whose mother is going to go crazy.

INTO JAPANESE

私は、母親が夢中になる彼女を望んでいます。

BACK INTO ENGLISH

I want her mother crazy.

INTO JAPANESE

私は彼女の母親を夢中にしたい。

BACK INTO ENGLISH

I want to get her mother hooked.

INTO JAPANESE

彼女の母親を夢中にさせたい。

BACK INTO ENGLISH

I want to get her mother hooked.