firebutt kiss Share definition Flag butterfly kiss but on your butt.the fire part happens when you get it.it heats up things in bed. joe wanted to give his girl a rim job but she refused so he gave her a firebutt kiss and she gave in. firebutt kiss by caitlinandchristian March 26, 2009 0 0 Get merch Get the firebutt kiss mug. Buy Now — $32.95 See more merch