It's a glitch. Visually, he eats the bread but the bread is still there (It's invisible). Instead, he is actually materializes a stick of butter into his mouth and eats it, thinking that it is soda. Or... something. It's messing with right-click options.
2:30 Damn Pumpkin. Goes in, wanks for a second, takes previous client's hand and intimidates you to give him your eggs. And that prick didn't paid his bill, meh!
This is me playing the game. Pumpkin: GIVE ME THE CHICKEN Me: *leaves game, game suddenly pulls back up* Pumpkin: NO I DON'T WANT THAT. GIVE ME THE FREAKIN CHICKEN
I always wondered if him saying he'd be back in ten minutes meant he's coming back to pay you. If you give him everything he says he'll be back presumably to tip. Or eat your soul. I don't know, ok.