rule 34 2019 anthro balls biped black lips black nose brown body brown fur brown hair canid canine canis digital media artwork domestic erection fur furry genitals gesture green eyes grin hair hi res lips looking at viewer lying male mammal multicolored body multicolored fur mutt character navel nude on back penis pointing pointing at penis smile solo solo male teeth two tone body two tone fur wagnermutt white body white fur 4883195