i ate a cat - I ate a cat means you ate so much earlier that you’re now to

I ate a cat means you ate so much earlier that you’re now too full to even look at the food in front of you. You’re just sad and full.

I ate a cat at lunch. Now I can’t eat dinner. I’m just sad.

I ate a cat and now I’m crying. I can’t even eat a sandwich.

I ate a cat and now I’m on the floor. I can’t even move.