Rule 34 Dev - anal anthro anus ass balls bird_dog canid canine canis domestic_dog duo fart fart_fetish fart_mask fart_sniffing fart_tubes gas_mask genitals golden_retriever hi_res hunting_dog knot male male/male mammal mask mephitid oliver_(rbaker) open_mouth raised_tail retriever skunk slim smelly sniffing tail tongue tongue_out y32010g|12168588200