YOU SAID:
I need to go poo in the toilet.
INTO JAPANESE
私はトイレでうんちをする必要があります。
BACK INTO ENGLISH
I need to poop in the toilet.
INTO JAPANESE
私はトイレでうんちをする必要があります。
BACK INTO ENGLISH
I need to poop in the toilet.
That didn't even make that much sense in English.