Rule 34 Dev - abs anthro balls biceps circumcised ear_piercing flaccid flexing genitals green_background hair hands_behind_head humanoid_genitalia humanoid_penis looking_at_viewer male muscular muscular_anthro muscular_male navel nipples nude overly_muscular pecs penis piercing pose pubes simple_background solo standing oldshep canid canine fox mammal 1:1 2021|11754224650