Below you can find the The last name of a nursery rhyme jack or a fish that's so high in fat he couldn't eat it Jeopardy Words Answer. The answer to The last name of a nursery rhyme jack or a fish that's so high in fat he couldn't eat it has 5 letters. This clue belongs to the Food category and is part of Jeopardy Word Level 781. If you scroll near the bottom you will find other clues and answers part of level 781