Backdoor Barbecue Share definition Flag The act of covering ones dick with lighter fluid, lighting it on fire, then fucking a girl in the ass with it. As a special treat on their wedding night Paul gave his new bride a backdoor barbecue. Backdoor Barbecue by Chris May 6, 2005 0 0 Get merch Get the Backdoor Barbecue mug. Buy Now — $32.95 See more merch