Dictionary
swing•er
Pronunciation: (swing'ur), [key]—
n.
1. a person or thing that swings.
2. Slang.a lively, active, and modern person whose activities are fashionable or trendy.
3. Slang.
a. a person who indulges in promiscuous sex.
b. a person who engages in the exchanging of spouses for sexual activities.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.