YOU SAID:
Cows are fatter than your momma
INTO JAPANESE
牛はあなたの母よりも太っています
BACK INTO ENGLISH
Cows are fat rather than your mother
INTO JAPANESE
牛は母親よりも太っている
BACK INTO ENGLISH
Cows are more fat than mothers
INTO JAPANESE
牛は母親よりも脂肪が多い
BACK INTO ENGLISH
Cows are fattier than the mother
INTO JAPANESE
牛が母親よりも脂肪が多い
BACK INTO ENGLISH
Cows are fattier than the mother
That didn't even make that much sense in English.