Rule 34 Dev - anthro balls beard big_penis facial_hair genitals half-erect holding_penis horn humanoid_genitalia humanoid_hands humanoid_penis looking_at_viewer male masturbation muscular muscular_anthro muscular_male nails penile penile_masturbation penis solo vein veiny_penis otter_grafitsnake thevon_lieu bovid caprine mammal monochrome|8076747245