I'll pay that
This is what Wimpy says when he wants free food. He’s like a dog who knows the mailman is bringing a treat, and he’s ready to pounce.
"I'll pay that," he said, like he was going to eat 10 burgers and then fall asleep.
She said, "I'll pay that," and then she ate all the food and left a mess.
He said, "I'll pay that," and then he ate the whole lunch and left a trail of crumbs.