Rule 34 Dev - 1boy ass balls big_ass big_bulge black_hair bulge erection_under_clothes femboy heavylinsa high_heel_boots high_heels huge_ass huge_cock male male_only mettaton mettaton_ex pink_eyes pleasure_face ripped_clothing ripped_pants solo solo_male tagme thick_thighs toilet undertale wide_hips|5711416592