FURVERT!

anal_glands anthro anus big_anus cave cough duo fart fart_cloud fart_fetish farting_on_another farting_on_face feral forest gassy hi_res huge_fart hyper hyper_fart macro male male/male mammal mephitid nude plant puffy_anus rumbling_stomach seth_(keithzack)size_difference skunk slim smelly spread_anus spreading stink_cloud stinkup stripedreeko surprised teeth tree