cuntkoff Share definition Flag see also fanny fart. when a woman gets a good pounding from a guy with a mammouth kock trapping air in her flange and then its released creating a sound similar to that of a fart! i fucked the bitch and the dirt bag cuntkoffed it was sick! cuntkoff by mike March 16, 2004 0 0 Get merch Get the cuntkoff mug. Buy Now — $32.95 See more merch