FURVERT!

absurd_res anthro anus backsack balls besnon_(jessimutt)big_balls big_butt body_writing brush butt butt_focus canid canine canis christmas close-up collar collar_only domestic_dog fur genitals hi_res holidays looking_at_viewer looking_back lying male mammal nervous nude on_front paint paintbrush presenting presenting_anus presenting_balls presenting_hindquarters rear_view shy sinningfox solo writing_on_butt