odd' man" out'
1. a method of selecting or eliminating a person from a group, as by matching coins, esp. in preparation for playing a game.
2. the person so selected or eliminated.
3. a game consisting of this method.
4. outsider (def. 2). Also,odd'-man"-out'.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.