unnaversary 

the day that commemerates the beginning of life after ending a relationship that made your life miserable

It's January 15th!!! Im celebrating my first unnaversary!!!!

unnaversary by ljtm January 15, 2009

Unniversary 

An unniversary is the yearly celebration of the day you became divorced. Whether a happy or depressing celebration is up to the participant.

"Let's wish a merry unniversary to Ben, who is celebrating his sixth year since his soul-crushing divorce from Rebecca. How's that loneliness treating you?"

Unniversary by Will Rickabaugh October 19, 2006

unaversary

That date which used to be your aniversary before you were divorced.

"What are you doing on November 7th?"
"I'll be going to the (select one) strip club; bar; masseuse; outlet mall to celebrate my unaversary!"

unaversary by Suebee72 September 15, 2007

Universary 

The anniversary for an individual to be single. Generally a year, but could be used for any time period as long as you place the duration in front.

"Single and always ready to mingle! Happy eight months Universary!!"

Universary by CNKK217 September 30, 2012

Universary 

a universal anniversary (basically a holiday)

The whole world had their 1st Universary of the survival of year 2012.

Universary by Shuck N' Jive November 7, 2009

unniversary 

The annual celebration of a leap day marriage in any non-leap year. Usually celebrated on February 28 and/or March 1.

Wife: Since we got married on leap day, we don't have an anniversary this year.
Husband: Then I don't have to get you anything, right?
Wife: No, it's our unniversary. I still expect gifts.

unniversary by .d.h. March 16, 2011