swinger
1 of 2noun (1)
swing·er ˈswiŋ-ər 
: one that swings: such as
a
: a person who is lively, exciting, and fashionable
b
: one who engages freely in sex
swinger
2 of 2noun (2)
swing·er ˈswin-jər
: whopper sense 1
Word History
Etymology
Noun (2)
swinge entry 1
First Known Use
Noun (1)
1543, in the meaning defined above
Noun (2)
1583, in the meaning defined above