YOU SAID:

you all act like you never seen a white person before jaws all on the floor like

INTO JAPANESE

君たちは皆、床に顎を突きつけるまで白人なんて一度も見たことがないかのように振る舞っている

BACK INTO ENGLISH

You all act like you've never seen a white person before your jaw hits the floor.

INTO JAPANESE

皆さんは顎が床に当たるまで、白人など一度も見たことがないかのような態度をとります。

BACK INTO ENGLISH

You act like you've never seen a white person until your jaw hits the floor.

INTO JAPANESE

顎が床に着くまで、白人を見たことがないかのように振る舞う。

BACK INTO ENGLISH

You act like you've never seen a white person until your jaw hits the floor.