Idahole Share definition Flag Idaholen. the gaping void of nothing that is known officially as the state of Idaho. NYer: WTF my plane got canceled as I was making my way to CA, now I am stuck in the middle of Boise, Idahole. Idahole by MK the Political Scientist May 23, 2010 0 0 Get merch Get the Idahole mug. Buy Now — $32.95 See more merch