Boofstril Share definition Flag An anus that has or will be used to take drugs through the act of boofing I'm going to fill up my boofstril. My boofstril is itchy. My boofstril smells like boof juice Boofstril by FeenianShlang October 8, 2019 0 0 Get merch Get the Boofstril mug. Buy Now — $32.95 See more merch