YOU SAID:

My girlfriend defecated in my bed

INTO JAPANESE

私のガールフレンドは私のベッドで糞便

BACK INTO ENGLISH

My girlfriend is fecal in my bed

INTO JAPANESE

私のガールフレンドは私のベッドで糞便です

BACK INTO ENGLISH

My girlfriend is feces in my bed

INTO JAPANESE

私のガールフレンドは私のベッドの糞です

BACK INTO ENGLISH

My girlfriend is shit in my bed

INTO JAPANESE

私のガールフレンドは私のベッドにたわごとです

BACK INTO ENGLISH

My girlfriend is a shit in my bed

INTO JAPANESE

私のガールフレンドは私のベッドのたわごとです

BACK INTO ENGLISH

My girlfriend is a shit in my bed