FURVERT!

all_fours anthro anus ass_up balls barbell_piercing butt canid canine canis domestic_dog erection eyebrow_barbell eyebrow_piercing facial_piercing feet frenum_piercing genital_piercing genitals hindpaw knot looking_back male mammal monochrome multiple_piercings nude oce paws penis penis_piercing piercing presenting presenting_hindquarters raised_tail rear_view solo spread_butt spread_legs spreading tail tail_anus tongue tongue_out tongue_piercing