I am presenting below some terms commonly used in the swing community as well as others.
AC/DC-Person who enjoys both same sex and opposite sex sexual activity; Bi;

ALL CULTURES-Person or couple who enjoys all fetishes and sexual activities

BONDAGE-A sexual fetish in which restraints such as ropes, chains, cloth or leather straps are used to bind, tie or hold a participating sexual partner.

CAN ENTERTAIN-Advertiser willing to invite others to their home for swinging.

CAN TRAVEL-Advertiser will travel to your home to swing.

CANING-A spanking fetish employing a light cane usually bamboo or other light wood

CHEATING-Sexual activity with others without spouse's knowledge and consent

CLOSED SWINGING-Sexual interaction among couples using separate rooms.

CLOSET SWINGER -A person who hides the he/she is a swinger.

ENGLISH CULTURE:-Sexual stimulation from spanking or caning

FRENCH CULTURE:-Oral-genital sexual activity.

GREEK CULTURE:-Anal-penile intercourse

ROMAN CULTURE:-Sexual orgies

SWEDISH CULTURE:-Use of the hands especially in massage to sexually stimulate another.

DIRECTOR-The principal person who runs or otherwise operates a swing club, generally the owner. A person who works for the director and is responsible for party or club operation is generally call a Manager.

DISCIPLINE-A sexual fetish in which one partner dominates the other, a willing participant. Includes physical punishment of the submissive partner, ranges from physical restraint to mild spankings to painful beatings

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.

DOCILE-Willing to receive bondage and/or discipline.

DOMESTIC TRAINING Submissive obedience to household chores of an intimate and humiliating nature.

DOMINANT-The sexual partner in control of the willing submissive partner

EXHIBITIONIST-A person who is sexually stimulated by being seen or watched by others while showing sexual portions of the body or engaging in sexual acts.

FLAGELLATION-Sexual stimulation derived from pain, usually whipping or spanking
FUN AND GAMES-Euphemism for sexual activity

GENEROUS-Refers to money for sex.
GROUP ROOM/ MATROOM -Room set aside for group sex, generally furnished with wall-to-wall mattresses or pads.

GROWTH SWINGING-Social-sexual environment that promotes emotional, personal and social growth

HARD CORE-A swing party or swing engagement where sexual interaction is assumed and expected.

HEAD-Oral-genital sexual activity; "Giving head"

HEDONIST-Lives for pleasure.

HUNG-Refers to a man with a large penis.

INDOOR SPORTS-Swinging activities in general.

INTERESTED IN FRIENDSHIP-Seeks a swinging relationship that includes emotional and recreational values. Used chiefly in personal ads and letters in answer to personal ads

LEATHER-A fetish; Sexual stimulation through the wearing of leather garments.

MARITAL AIDS/Toys-Dildos, vibrators, and other devices used for sexual pleasure of self and others.

MASOCHISM-Sexual gratification through receiving pain and humiliation from others.

MASTER/SLAVE-Participants in a bondage and discipline sexual relationship.

MEET FOR PLEASURE-Will meet for swinging sex; no pretense for social or emotional interaction not directly related to sexual activity. Used chiefly in personal ads and letters in answer to personal ads.

MENAGE A' TROIS-Three people, two of one sex, one of the opposite sex in a swinging interaction. May involve an on-going emotional relationship of the participants

OPEN SWINGING-A couple swinging with another couple in the same room; Several or all participating couples together in the same room

PARTY HOUSE (Western US )-A non-membership swing club offering a regular schedule of on-premise swing parties.

PASSIVE-Quiet, submissive non-contributor, willing to receive corrective training.

PHOTO-Interested in exchange of nude or sexually explicit photos of self with similar photos of others.

PHOTOGRAPHY-Interested in exchange and/or making of nude or sexually explicit photographs interested in meeting with others for the making of these photographs.

P/P-Photo and phone number (used in personal ads).

PRO-Professional; i.e. prostitutes or paid escort.

RESTRAINT-Mild bondage used in sexual fantasy enactments.

ROMAN-v Group sex, orgies, the party scene, etc SAFE Used to describe a person who cannot conceive or impregnate; a man who has had a vasectomy.

SINGLE-A swinger without a partner, single or married.

SOCIAL-A party, dance or other gathering usually sponsored by a swing club or magazine, for swingers to meet and socialize. There is no swinging at a social but privately arranged swinging may follow a social.

SOCIAL SWING CLUB-A swing club, generally private membership that offers social and swinging activities including a regular schedule of on-premise swing parties.

SOFT SWINGING-A social, erotic swing party environment where sexual activity is common and available, but not required or assumed.

SWINGING MARRIAGE-Marriage incorporating swinging and often, humanistic ideals.

TRIAD-Three people, two of one sex and one of the other in a continuing relationship of emotional and sexual involvement. Not the same as a threesome.

TRIOLISM-Used in personal ads to indicate desire for "threesomes".

UTOPIAN SWINGER-A person who practices swinging as a total lifestyle with humanistic ideals.