semiversary

6 month aniversary.

A shortened version of the word semianniversary.

On the inside of a card:
Happy semiversary

by KoH March 20, 2007

Sexiversary

The date on which two people first had sex.

He was invited out for a drink after work, but he knew that since it was their sexiversary and she would be expecting him to be on his game, he declined.

by Kate Charlton June 18, 2008

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.

by comradeda August 28, 2011

Sepsiversary

The anniversary of surviving a life-threatening sepsis event.

This week, I celebrated my 5-year sepsiversary.

by Dan C. Gilliam December 8, 2017

Sexiversary

The date on which two people first had sex.

He was invited out for a drink after work, but he knew that since it was their sexiversary and she would be expecting him to be on his game, he declined.

by Kate Charlton June 19, 2008

sexversary

the anniversary of the day you had sex. most easily observed once pregnancy begins; in this sense, also known as conception day.

"happy sexversary, friend with benefits!"

"wow, amy and tom! happy sexversary, and welcome to the third trimester."

by janice jim July 13, 2009

Sepsiversary

The annual celebration of surviving a sepsis event.

My 5-year sepsiversary is next month.

by Dan C. Gilliam April 20, 2018