YOU SAID:
I've got massive boobie
INTO JAPANESE
私は巨大なおっぱいを持っています
BACK INTO ENGLISH
I have huge tits
INTO JAPANESE
私は巨乳があります
BACK INTO ENGLISH
I have big tits
INTO JAPANESE
私は巨乳があります
BACK INTO ENGLISH
I have big tits
That didn't even make that much sense in English.