When defining "hardcore sex", positions don`t really matter, since everything, from missionary style to doggie fucking and reverse cowgirl riding, are included in the definition of hardcore. Which hole you actually put your cock into, is important for this concept, since shoving it exclusively into an ass turns the sex into anal sex, and putting it only into a mouth, makes it oral sex. Although both are subcategories of hardcore, and in most hardcore porn sites you will find plenty of cock sucking and ass fucking, when you speak of hardcore fucking, you are referring to straight regular sex between a guy and a woman. Can I show you some examples Come aboard my Hardcore category and check out the sites in it... they`re all about straightforward fucking!