A play on the Axe commercial's "Double Pits to Chesty" a Dumphole to Chesty is an erotic sexual act that involves the male inserting his Phallus into the woman's anus to retrieve anal mud, more commonly know as poop. Then, the male flips the woman over and smears his fecally covered phallus across her chest, giving her a Dumphole to Chesty.
dumhole is sharty’s way of calling you stupid or annoying. dumhole is similar to bumhole except sharty was not being smart and used the word dumhole is read of bumhole