Rule 34 Dev - abs anthro balls big_balls big_penis countershading fur genitals half-erect humanoid_genitalia humanoid_penis looking_at_viewer male muscular muscular_anthro muscular_male penis selfie smile solo vein veiny_penis dwalker geordie_79 canid canine canis mammal wolf 2018 4:5 digital_media_(artwork) hi_res|7540195740