YOU SAID:
He is doing honeymoon noises
INTO JAPANESE
彼は新婚旅行の騒音をしている
BACK INTO ENGLISH
he's making honeymoon noise
INTO JAPANESE
彼は新婚旅行の騒ぎをしている
BACK INTO ENGLISH
he is making honeymoon noise
INTO JAPANESE
彼は新婚旅行の騒ぎをしている
BACK INTO ENGLISH
he is making honeymoon noise
That didn't even make that much sense in English.