rule 34 anthro belly belly jiggle belly overhang big belly big pecs bone bulge clothing demon digital drawing artwork digital media artwork dpronin fangs felid feline flaccid genital outline genitals hand on hip hi res holding skull jiggling long tongue male male pred mammal motion lines musclegut muscular muscular anthro muscular male neck tuft nipples pecs penis penis outline sabertooth anatomy sketch skull solo teeth thong tongue tuft underwear 8717666