YOU SAID:

We stopped at each other's hips

INTO JAPANESE

互いの腰に立ち寄った

BACK INTO ENGLISH

I stopped at the waist of each other

INTO JAPANESE

お互いの腰をやめた

BACK INTO ENGLISH

Each other's hips stopped.

INTO JAPANESE

互いの腰は停止しました。

BACK INTO ENGLISH

Each other's hips stopped.