Rule 34 Dev - anthro balls bernese_mountain_dog big_penis canid canine canis cres_the_bernese_mountain_dog domestic_dog erection floppy_ears foreskin genitals hi_res huge_cock humanoid_genitalia humanoid_penis hyper hyper_genitalia hyper_penis lying male mammal molosser mountain_dog muscular muscular_anthro muscular_male narrowed_eyes nipples nude on_back penis solo swiss_mountain_dog thebigslick vein veiny_penis|9160761640