Haven't seen the episode yet (haven't even watched ep 113 yet, actually), but I wanted to bring something to light:
Originally Posted by Q-BeRt
Sort of. It's apparently a convention in Japanese media and film to use overeating as a gag. Everyone remember how Goku ate enough for 50 people at every meal? That was supposed to be hilarious. It's really just a cultural joke, based on the Japanese idea that modesty and moderation are virtues, or ideal character traits. Just like Peter Griffin is funny because he does some pretty unconventional/uncouth things, so too is any anime character who plows through 77 bowls of Miso.Originally Posted by el_boss
It's also the reason you sometimes see anime characters mumbling "I can't eat another bite" or "I'm so full" in their sleep.