A dominant is a person who consensually takes power.  They seek authority or control in a relationship, scene, or activity.  This is especially the case when sex or porn is involved.

A doll is a person who enjoys objectification.  They typically want to be transformed through one’s own and/or outside forces into a living doll.  This is often kink/sexually motivated.

A daddy is a person who is nurturing and/or paternal in a relationship.  Being a “daddy” is a kink for many men and a desire for many females (known as babygirls).  It often involves some form of financial “support”.

A cuckqueen (cuck) is a woman who enjoys the humiliation and/or voyeuristic experience of watching or knowing their partner has sex with someone else.

A cuckold (cuck) is a man who enjoys the humiliation and/or voyeuristic experience of watching or knowing their partner has sex with someone else.

A Trasnsvestite (also known as a crossdresser) is a person who likes to dress and act in a style or manner traditionally associated with the opposite gender.  They are commonly referred to in pron as “tranny’s.”

A butch is a person who is typically female-identified and whose social and relationship roles are perceived by many as being masculine.  A butch often has a lesbian, gay, or queer orientation.

A bull is a man who engages in sex with a woman whose partner enjoys the cuckold (cuck) dynamic.  The partner normally watches with enjoyment.

A brat is a person who likes to exhibit one or more of the following behaviors as part of their kinky role: teasing, playful, sneaky, mischievous, stubborn, rebellious, disrespectful or disobedient.  A brat’s behavior may be a component of their power exchange relationship.

A bottom is a person who is attracted romantically and/or sexually to another gender as well as their own.  It is a frequently used term in gay porn.