swinger
swing·er 
The definition of a swinger is slang for someone who lives an uninhibited lifestyle.
A person who engages freely in experimental sexual behavior is an example of a swinger.
swinger
- one that swings
- ⌂ Slang a person who is sophisticated, ultra-fashionable, active, uninhibited, etc., esp. in the pursuit of pleasure
- Slang
- a person who swings
- either one of a couple that swings
swinger
noun
- One that swings: a good swinger of baseball bats.
- Slang a. A person who actively seeks excitement and moves with the latest trends.b. A person who engages freely in promiscuous sex.c. A member of a couple, especially a married couple, who exchanges sexual partners.
swinger
