YOU SAID:

i pooped my pants 8 times and it smelled badly

INTO JAPANESE

パンツに8回うんこしたけど臭かった

BACK INTO ENGLISH

I pooped in my pants 8 times and it stinks

INTO JAPANESE

ズボンの中にうんちを8回入れたら臭い

BACK INTO ENGLISH

If you put poop in your pants 8 times, it stinks.

INTO JAPANESE

うんちをズボンに8回入れると臭い。

BACK INTO ENGLISH

Put poop in your pants 8 times and it stinks.

INTO JAPANESE

うんちをパンツに8回入れると臭い。

BACK INTO ENGLISH

It stinks when you put poop in your pants 8 times.

INTO JAPANESE

うんちをズボンに8回入れると臭い。

BACK INTO ENGLISH

Put poop in your pants 8 times and it stinks.

INTO JAPANESE

うんちをパンツに8回入れると臭い。

BACK INTO ENGLISH

It stinks when you put poop in your pants 8 times.