I just gotta say I love all these little dream scenarios you're throwing the adventurers in. Especially with the dragon showing up as a little gremlin there to help some of them along.
This one seems particularly mean, but I suppose the walking coinpurse waddling along literally eating all of your treasure, you earned the right to give him a little anxiety with all his pounds

heh wasn't sure if the ripping belly might be a bit too much, but i liked the idea of gut being litterally like sack full of coins. Plus it's not ALL real!

Tiny Kobold: “Sir, you have to swallow, we got two more bags of gold to put inside you”
Gnoll: “N-No More!! I feel myself ripping open! Can’t Take Anymore”
Tiny Kobold: “No Worries, we have sewing needles to patch you up and stretch you further.”

They got this no worries!