a person who dates/sleeps with multiple people at the same time.
"you seein' someone?"
"im seein a few people, i guess you could say"
"oh, so you're a swinger?"
by hoyden April 7, 2004
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Swingers can be couples (married or not) or singles.

They have a sexually free spirit. Couples tend to be in love with each other, and only "share" each other sexually with others. Sometimes this means "swapping wives" sometimes it means "group sex".

Single swingers generally despise the dating process and would rather meet at swinger gatherings where it is acceptable and in some cases expected that sex can/will occur on the spot with whomever they meet and feel attracted to.
Tom and Jane go to a party where they meet Gary and Nancy. They go to a room as a group for sex.

Tom and Jane go to a party where they meet Gary and Nancy. They go to seperate rooms: Tom takes Nancy and Gary takes Jane for sex.

Melissa goes to a swinger party by herself. Melissa meets John and Tracy (a couple) at the party. melissa, John and Tracy all end up in a room together for sex.
by Bigntasty Johnson January 19, 2007
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a person who engages in consensual sex with people or couples outside of their core relationship.
She and her husband were considered swingers.
by Valkyriejack November 10, 2009
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A married person who enjoys swapping spouses with another married couple.
Dick and Jane are swingers; last weekend, they swapped spouses with the neighbors for a sexual experience.
by UrbanWebster February 15, 2004
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Those who participate in Swinging.
The persons who enjoy sexual relations outside their otherwise fidelitous relationship, often as an organized activity such as a Swing Party.
by Ronald A. King March 28, 2005
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A person who swaps sexual partners with another person.
Carry became a swinger when she and Shelly swapped mates.
by Doo W0p March 31, 2011
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A person who has un-planned sexual encounters with numerous people who they are not dating and do not intend to date.

A person can be a swinger while single and faithful while in a relationship.

On the other hand, there are some people who continue to swing even while in relationships.
Person1- 'The other night I hooked up with 3 different men/women.'

Person2- 'That's disgusting, you filthy swinger.'

Person3- 'Sounds like good times! I wish I were a swinger!'
by A. Ded September 20, 2006
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