Applies to situations where you feel like you took the biggest dump in the world, and when you try to find your brown baby, it's disappeared, thus it is a Houdini "Special." Contrary to what the definition suggests, there is nothing magical about this phenomenon, because the shit simply dives deep into the abyss where no light shines through.

(noun) A successful type of theft which results in an acceptable, impressive and rewarding payday for the protagonist.