YOU SAID:

I am going to shoot myself in the big old head

INTO JAPANESE

私は大きな古い頭で自分を撃つつもりです

BACK INTO ENGLISH

I am going to shoot myself with a big old head

INTO JAPANESE

私は大きな古い頭で自分を撃つつもりです

BACK INTO ENGLISH

I am going to shoot myself with a big old head