swinger
🇺🇸
/ˈswɪŋər/
🇬🇧
/ˈswɪŋə(r)/
A person who enjoys going to parties and social events.
She's such a swinger, always out at parties and events.
A person who is part of the lifestyle of having open relationships or swapping partners for sexual activities.
The party was attended by many swingers who were open about their lifestyle.