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2_frame_animation anal anal_penetration animated animated_gif anthro balls beard breath canid canine canis cinemagraph clenched_teeth digital_media_(artwork)disembodied_penis dobermann domestic_dog erection eyes_closed facial_hair fur genitals grey_body grey_fur hybrid lying male male_penetrated mammal muscular muscular_anthro muscular_male mythological_canine mythological_creature mythology nipples nude on_back pecs penetration penis pinscher sailby shaking short_playtime simple_background solo teeth translucent translucent_penis trembling werecanid werecanine werecreature werewolf wolf