— B — BDSM: Bondage, Discipline (dominance and submission), Sadism Masochism. Generally it deals with fetishes where control (or lack thereof) is the issue,encompassing a large array of fetishes.

Bi-Curious: A Male or Female who is interested in trying same-sex activities.

Bi/Bi-Sexual: One who has sexual attraction to members of both the same and the other sex.

— C — Closed Swinging: Partners swap, but have sex in separate rooms. Closed swinging allows for a more intimate experience. Some people feel it allows them more freedom to explore and fewer interruptions of their enjoyment.

Cuckold: While the original meaning is the husband of a wife who cheats, it has come to mean (more often than not) a husband who's wife plays without him and comes home to tell him about it. It can also mean a husband who watches his wife play with others, or is forced to watch.

— D — Different Room Swap:  Couples go to separate rooms exchanging spouses for what ever reason preferring not to have sex with partner, while spouse watches.

Discreet/Discretion: Asking those who write or call to exercise caution so that children or others who may open mail or answer phone will not be offended and/or made aware of the swinging activity.

DP: Double Penetration. One penis penetrating vaginally and one penetrating anally at the same time.

— E — EOLO: Equal Opportunity Lifestyle Organization

Exhibitionist: Behavior in which an individual experiences sexual arousal pr pleasure from displaying his/her body. Enjoys being watched.

— F — Fetish: Sexual arousal and pleasure through use of non-sexual objects, actions or non-genital anatomy.

Friends First: Emphasis on social interaction and getting to know you before sex.

Full Swap:  This is the most common practice known as swinging, the main theme being "Wife Swapping," although it could also be called husband swapping:)

— G — Group Sex:  Partners swap and have sex in the same room, or bed. This includes orgies and is great for exhibitionists and voyeurs, who can show off or just enjoy watching their partner play. Some people find open swinging allows for total release of the sexual desires and fantasies. In order for open swinging to be successful, none of the members of the group can be jealous.

— H — Hard Core Swinger: A person or couple who's only interest is sex, and lots of it. Their life tends to revolve around swinging.

House Party: A non-club event. Usually hosted by a club member, in their home. Types of activities varies... so find out before attending. May be anything from Soft swing and hot tubing to orgies.

HWP: Height-Weight Proportionate; Someone who is at their ideal body weight.

— L — Lifestyle: Euphemism for a swinging.

— M — Moresomes: More than three people in a swinging interaction.

— N — NASCA: The North American Swing Club Association. An association of swing clubs and magazines to promote swinging as the viable and beneficial lifestyle it has become.

Newbie:  A person or couple new the the concept of swing clubs, parties, or for that matter, any other particular subject. We're all newbies at something.

— O — Off Premise:  No swinging takes place at the club or party; you meet and make your arrangements. Great for newcomers.

Open Marriage: This practice is a bit different A couple allows each other to have sexual experiences with other playmates without shared involvement in play times.

Open Swinging: A couple swinging with another couple in the same room; Several or all participating couples together in the same room; (Western U S) swing party where participants socially mix and are free to swing as couples, in one-to-one pairings and group sex during the progress of the party.

— P — Polyamory: A relationship style (and style of living) involving the creation of "intimate networks" of friends, partners, and lovers. It is also referred to as "responsible non-monogamy." Since this is done without hiding one's relationships from anyone else in one's life, it requires a high level of integrity, honesty, and communication

— S — Same Room Swap: Couples have sex with all participants in same room and sometimes same bed allowing close interment contact with spouse as well as new partner.

Single: A swinger without a partner, does not refer to maritial status.

Soft Swinging:  Watching another couple during sexual relations. May also include foreplay with other partners, sometimes including oral sex but no vaginal penetration. Can add spice to a couple's relationship and allow them to have fun without the risk of disease or jealousy. Many couples start out as soft swingers as they first explore swinging. But don't think that soft swingers will always convert to full swapping.

— T — Threesome: A couple and a third party (extra male or female) mutually engaged in sexual activity.

Ticket: A person, usually a woman, brought to a swing party solely to enable the male to gain entrance. The ticket generally has no intention to swing or is not free to swing.

— U — Utopian Swinger: Those who practice swinging as a total lifestyle with humanistic beliefs

— V — Voyeur: One who enjoys seeing the sex acts or sex organs of others.

Voyeurism: A preoccupation with seeing the sex acts or sex organs of others as a method of achieving sexual excitement.

— W — Watersports: Pissing games, Although often seen in adverts (ie. 'no watersports') it isn't a common practice among swingers.