The act of kissing with your asshole by placing your sphincter on someone or something and then flexing/clenching your but-hole causing a similar effect like if you were kissing with your lips. The variations are "wet" poop kiss leaves fecal matter on the targeted area. "Blowing" a poop kiss would be farting unfiltered (bare assed) within a inch of the intended target (extreme banzai crop dusting).
Travis was the first to pass out at the party so Dave decided to reward him with a poop kiss on the tip of his nose
by Pho' Q November 24, 2013
by Ashjian February 9, 2008
when a yamagotchi poops it resembles a hersey kiss
by pooman February 12, 2004