As far as sexual fantasies go, threesomes are up there along with doin' it on top of Mount Everest and getting head inside an active volcano. However, unlike the other two exciting scenarios, getting a partner to agree to a threesome may be more challenging than one thinks. As you know, not all couples are the same. Some couples fight about every little thing under the sun, while others are more like siblings So regardless of what you've been led to believe, not every couple is capable of having a threesome.
Top definition. 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. In most cases the husbands take a vicarious pleasure in their wives' enjoyment, or enjoy watching, hearing, or knowing about their wives' adventures.