rule 34 2023 animal genitalia animal penis anthro arm tuft athletic athletic anthro athletic male balls belt big ears big penis biped brown eyes cheek tuft digital drawing artwork digital media artwork elbow tuft equine genitalia equine penis facial tuft fangs fingers flaccid fur genitals girly grey background grey balls grey hair grey penis grin hair hand behind back hand on tail hi res hybrid looking away male nude open mouth penis portrait potion potion bottle prick ears raised tail shaded shoulder tuft simple background skinny skinny anthro skinny male smile soft shading solo standing tail tail tuft teeth three quarter portrait three quarter view tuft utility belt vial white body white ears white fur white tail white tail tip zillble 8859187