Blumpkin Seed-Pie Share definition Flag The shit from a blumpkin cooked into pumpkin pie. *Liam* Megan go grab my loaf from the toilet from our blumpkin, and make me a Blumpkin Seed-Pie bitch! Blumpkin Seed-Pie by LeakMastah413 October 13, 2009 0 0 Get merch Get the Blumpkin Seed-Pie mug. Buy Now — $32.95 See more merch