YOU SAID:
I didn't smoke no grass today
INTO JAPANESE
今日は草を吸わなかった
BACK INTO ENGLISH
I didn't smoke today
INTO JAPANESE
今日は煙が出なかった
BACK INTO ENGLISH
There was no smoke today
INTO JAPANESE
今日は煙が出なかった
BACK INTO ENGLISH
There was no smoke today
That didn't even make that much sense in English.