Bumpkin Share definition Flag The process of snorting a line of cocaine off a males erected penis while he is taking a shit. "Yo, you're never gonna believe this but Jackie just gave me a bumpkin" - Jessie Bumpkin by DirkDiggler91 June 6, 2014 0 0 Get merch Get the Bumpkin mug. Buy Now — $32.95 See more merch