dumpiversary 

a year later after you stopped seeing someone, you think everyone is getting on with their lives and then the crazy person you let go starts making trouble for you because it was this time last year they suddenly found out the world didn't revolve around them.

it must be my dumpiversary because my ex has gone through his phonebook telling tales outta school to people.

dumpiversary by gettingonwithlife July 11, 2010

dumpaversary 

The date commemorating a breakup. Generally used to describe a situation that turned out for the best.

Hey Liz, let's go out and celebrate your dumpaversary. I'll bring the cake!

dumpaversary by mvolfman May 13, 2011

Demiversary 

A demiversary is a "six month anniversary".

The term "six month anniversary" annoyed me enough to create the word "demiversary".
Joe and Jane Doe are having their demiversary.

Demiversary by comradeda August 28, 2011

humpiversary 

The anniversary of when you first started sleeping with someone.

"OK, I know we're just friends with benefits, but it's been one year since we first started this whole thing and I wanted to take you out to dinner to celebrate. Happy Humpiversary!"

humpiversary by Capybarra December 9, 2012

Gumpiversary 

Every February 12th you watch Forrest Gump for no reason at all.

Its Gumpiversary we should watch Forrest Gump

Gumpiversary by Slippser February 7, 2022