YOU SAID:
Your mom's kinda fat, not going to lie.
INTO JAPANESE
あなたのお母さんはちょっと太ってしまい、うそをつくことはありません。
BACK INTO ENGLISH
Your mother will get a little fat and will not lie.
INTO JAPANESE
あなたのお母さんは少し太ってしまい、うそをつくことはありません。
BACK INTO ENGLISH
Your mother will get a little fat and will not lie.
That didn't even make that much sense in English.