All right u guys take a stab at this one:

There was this guy named umm.... person? Ne ways.He had poison on his hands. he cleaned his hands with water and ate dinner. He died soon after eating. he didn't have a disease. How did he die?

DUN DUN DUN!!! I PWN U ALL WITH THIS ONE MY FRIENDS

HEHEH!!!
BTW if anyone wants to post a riddle after this one ask me and ill put u on as a guest poster.