1 definition by dpnewby

Top Definition
The celebration of the day on which you 'came out' as Homosexual/Bisexual. The date can be defined by the individual as when they believe they truly came out - for some it will be when they came out to their parents, for others an older relative, work colleagues, etc.
Hey, you coming to my Outiversary Party next week?
by dpnewby June 14, 2010
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