That's the sound I made when I discovered the following lurking under the oven of my (former) apartment:
This, my friends, seems to be years worth of former tenants' useless crap and nastiness. So next time you lose that bouncy ball of yours or your favorite hanger, check under the stove. Odds are it's sitting there, waiting for you to find it.
(P.S. This solidifies my resolve to make the best of this current move. I've checked under the oven. It's all good!)