The Big ImageBoard (TBIB) - abdominal bulge anal anal penetration animated anthro anthro on anthro anthro on bottom anthro on top anthro penetrated anthro penetrating anthro penetrating anthro armpit hair balls barazoku big balls big dom small sub big penis body hair bouncing balls bouncing butt butt canid canine chair dinosaur dominant dominant anthro dominant male duo erection extinct fluffy fluffy tail fox from front position furniture genitals hair huge penetration interspecies larger anthro larger male looking back male male/male male on bottom male on top male penetrated male penetrating male penetrating male mammal mastery position metalfoxt muscular muscular anthro muscular male nipples nude on bottom on top pawpads penetration penile penile penetration penis penis in ass prehistoric species pubes purple hair reptile rune spector scalie sex short playtime sitting size difference smaller anthro smaller male smaller penetrated submissive submissive anthro submissive male tail theropod tyrannosaurid tyrannosauroid tyrannosaurus tyrannosaurus rex