YOU SAID:

Dude your zipper is down and you are not wearing underwear.

INTO JAPANESE

あなたのジッパーは下がり、あなたは下着を着ていません。

BACK INTO ENGLISH

Your zipper goes down, you are not wearing underwear.

INTO JAPANESE

あなたのジッパーが下がり、あなたは下着を着ていません。

BACK INTO ENGLISH

Your zipper goes down, you are not wearing underwear.