odd man out

noun
1.
a method of selecting or eliminating a person from a group, as by matching coins, especially 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.
Origin
1885-90
Slang definitions & phrases for odd man out

odd man out

noun phrase

Someone who is not included in a game, arrangement, business deal, etc: United Artists seemed the odd man out in Transamerica's financial services game (1889+)


Idioms and Phrases with odd man out

odd man out

.
A person who is left out of a group for some reason, as in The invitation was for couples only, so Jane was odd man out. [ Mid-1800s ]
.
Something or someone who differs markedly from the others in a group, as in Among all those ranch-style houses, their Victorian was odd man out. [ Late 1800s ]