YOU SAID:
Oh boy fellas! Let's rock the joint!
INTO JAPANESE
オー、みんな! 一緒に盛り上がろうぜ!
BACK INTO ENGLISH
Hey everyone! Let's have fun together!
INTO JAPANESE
みなさん、一緒に楽しみましょう!
BACK INTO ENGLISH
Everyone, let's have fun together!
INTO JAPANESE
みなさん、一緒に楽しみましょう!
BACK INTO ENGLISH
Everyone, let's have fun together!
That didn't even make that much sense in English.