Hey dad, I'm hungry!
Hi hungry, I'm dad. Why did you name me this way, why why why?
Hi Hungry
Explanation
Explain Bear
Listen here, kid. The joke is that the kid says he's hungry and the dad replies as if 'Hungry' is the kid's name. It's a classic dad move to make a dumb joke like that. You probably wouldn't get it because you're probably adopted or something.