FURVERT!

absurd_res anthro anus anus_focus australian_shepherd backsack balls big_balls big_penis biped bodily_fluids butt canid canine canis circumcised domestic_dog erection floppy_ears frenulum fur genital_fluids genitals glans grey_body grey_fur herding_dog hi_res humanoid_genitalia humanoid_penis lips looking_at_viewer looking_back looking_back_at_viewer male male_anthro mammal pastoral_dog penis penis_backwards perineum precum presenting presenting_hindquarters raised_tail rear_view sheepdog smile smiling_at_viewer solo spread_anus spread_butt spreading tail theo_young tongue tongue_out