umkinpuh Share definition Flag Alternative pronunciation for pumpkin. The two-year-old toddled across the room, fell to his knees, and pointed at a decorative Halloween pumpkin while shouting "Umkinpuh! Umkinpuh! Umkinpuh!!!". umkinpuh by Schnebly February 21, 2009 0 0 Get merch Get the umkinpuh mug. Buy Now — $32.95 See more merch