YOU SAID:
Stop fooling around with him and let's go!
INTO JAPANESE
彼とふざけるのはやめて、行こう!
BACK INTO ENGLISH
Stop messing with him, let's go!
INTO JAPANESE
ふざけるな行こう!
BACK INTO ENGLISH
Don't be ridiculous. Let's go!
INTO JAPANESE
馬鹿なことを言うな。行こう!
BACK INTO ENGLISH
Don't be ridiculous. Let's go!
That didn't even make that much sense in English.