by youcantseemeintheseglasses April 15, 2010

by Travass January 05, 2005

by KoolKydChris March 01, 2021

by let's go smoke some fags June 21, 2005

OMO did you hear what happened? OMO I love it! OMO I can't believe that! OMO have your heard that song? OMO have you seen Celine Dion in concert? OMO have you seen The Hangover? Mainly used for dramatic purposes.
by xaviersrealm August 07, 2011

The odd man out. When a ratio of girls to guys is unfavorable to the men, one person is designated omo and does not get any action.
Paul: yo theres gonna be 5 guys but only 4 girls.
Teddy: that means we need an omo.
Bryan: i'll take the responsibility.
Teddy: that means we need an omo.
Bryan: i'll take the responsibility.
by hairy hair July 26, 2006
