Top Definition
The moment when you find out one detail about a person that is going to be a deal breaker.
Girl: It's a promise ring, I made a pact to not have sex until I'm married.
Guy 1: Oh.
Guy 2: You've just experienced The Oh Moment.
#how #i #met #your #mother #oh #moment #sex
by Blackflame619 January 30, 2009
8 Words related to The Oh Moment
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