名词摆动（或挥动）的人，赶时髦的人

1. 赶时髦的人：78.take candy from a baby 轻而易举 | 79.swinger 赶时髦的人 | 80.sweet tooth 喜食甜食

2. 摇摆器：swing-type plate shears 摆式剪板机 | swinger 摇摆器 | swinging boom 起重机回转臂

3. 不定位置圆：swing 摇摆 | swinger 不定位置圆 | swinging area 旋回区域

1. 时髦活跃的人
A swinger is a person who is lively and fashionable.

2. 交换性伴侣者;滥交者
Swingers are people who are married or in a long-term relationship and who like to have sex with other couples.

noun

1. a person who engages freely in promiscuous sex

Synonym: tramp

2. someone who swings sports implements