Stump hole whiskey is a term used for illegally made whiskey that was hidden in holes of tree stumps in order to hide the stills. Stump hole whiskey is a type of moonshine that was popular during the prohibition period.
During prohibition, moonshine distillers needed a place to hide their stills. One option was to remove a tree stump or dig out the inside of a tree stump to create a space large enough to conceal the still. Moonshine that used this method was referred to as stump hole whiskey. North Carolina and Kentucky were two states where this practice was popular during the prohibition period.