YOU SAID:
thomas has a large dongus
INTO JAPANESE
トーマスは大きなドングスを持っています
BACK INTO ENGLISH
Thomas has big dongs
INTO JAPANESE
トーマスは大きなドンを持っています
BACK INTO ENGLISH
Thomas has a big don
INTO JAPANESE
トーマスは大きなドンを持っています
BACK INTO ENGLISH
Thomas has a big don
That didn't even make that much sense in English.