hemniversary 

the six-month mark in relationships

Matt and I are celebrating our hemniversary on Tuesday!

hemniversary by K-radical February 19, 2010

himiversary 

The anniversary of Him, celebrated on the 5th of every month. The incident originally occured on the 5th of October, 2019 at 12:26 pm.

Josh: Happy himiversary, Juju!
Juju: The weather is nice on this fine himiversary, isn't it?

himiversary by asherastaff July 23, 2020

Heniversary 

The anniversary of a persons hen do. Usually this is celebrated by going on a night out and dressing up in traditional hen do attire.

Wow! Phoebe’s heniversary was so much fun!

Heniversary by Gibby, Guppy & Giblét September 6, 2023

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