A ménage à trois is the French term describing a relationship or domestic arrangement in which three people, often a married couple and another lover, share a sexual relationship, although the relationship might or might not involve all three persons having sexual relations with each other. The French phrase literally translates as "household of three".

It is also used to refer to an arrangement where three people share sexual relations, and this has become the predominant definition. Some also use it to describe any sex act involving three people, otherwise known as a threesome. Ménage à trois, two women with one man, has become more common, perhaps due to its presentation in porn films. There are ménage à trois arrangements involving two men and one woman, and these are also becoming more common.

Sometimes ménage à trois is called Hot Wives, referring to a married woman who has sex with men other than her spouse, with the husband's consent. In most cases the husbands take a vicarious pleasure in their wives' enjoyment, or enjoy watching, hearing, or knowing about their wives' adventures. Husbands may also take part by engaging in threesomes, or arranging dates for their wives.
Brandy, Jodi, and Eric had an awsome ménage à trois that lasted for hours, all were very pleased after their session
by queerinaz December 20, 2007
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1. Girl: Hey Jack, do you wanna do a Ménage à trois with me and Pamela

2. Man those twins look hot, I wanna de a Ménage à trois with them.
by JA Bus October 6, 2013
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a) (antiquated French of France meaning): a married heterosexual couple living with the lover or mistress of one of the significant others.

b) (new and improved meaning): any form of dysfunctional relationship
i would also qualify as a ménage à trois a domestic arrangement in which a a married couple live not only with their teenage daughter, but their teenager's boyfriend
by Sexydimma October 5, 2014
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a) (antiquated French of France meaning): a married heterosexual couple living with the lover or mistress of one of the significant others.

b) (new and improved meaning): any form of dysfunctional relationship
i would also qualify as a ménage à trois a domestic arrangement in which a a married couple live not only with their teenage daughter, but their teenager's boyfriend
by Sexydimma October 5, 2014
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