YOU SAID:

You have just made me yawn backwards

INTO JAPANESE

後ろ向きにあくしゃくしゃにされちゃった

BACK INTO ENGLISH

I got a backwards pounding.

INTO JAPANESE

後ろ向きにぶつかってきた。

BACK INTO ENGLISH

I bumped backwards.

INTO JAPANESE

後ろにぶつかった。

BACK INTO ENGLISH

I bumped into the back.

INTO JAPANESE

後ろにぶつかった。

BACK INTO ENGLISH

I bumped into the back.