The term "barbie" refers to a doll made by Mattel. Barbie dolls are known for their beauty, fashion sense and perfect proportions. In recent years, the term has also been used to describe human women who embody these qualities.
A hardcore orgy is an extreme form of sexual activity involving multiple people engaging in sex at the same time. This can include any combination of vaginal intercourse, anal sex, oral sex, or other forms of sexual contact between two or more people.
The phrase "partners lie or stand in parallel" refers to a specific arrangement of participants during a sexual encounter, where the couple is positioned with each partner lying down and the third person standing next to them. This positioning can allow for various types of sexual activity, including vaginal intercourse, anal sex, and oral sex.

The term "sandwich" has been used as slang for the sexual position known as a double penetration, which involves one or more people engaging in vaginal or anal sex with another person while also engaging in oral sex. The sandwich position typically involves three participants: two men who engage in anal sex with each other and a woman who engages in vaginal intercourse with one of them and oral sex with the other.

The term "hardcore orgy" can refer to any form of extreme sexual activity, including group sex, multiple penetrations, or other forms of intense sexual contact between two or more people. However, it is worth noting that this type of sexual activity is not suitable for everyone and may carry risks such as