memeversary 

The date of a meme's anniversary.

In 2021 Dancing Baby celebrated it's 25th memeversary.

memeversary by ActionCash June 5, 2021

moveversary

The anniversary of a move.

Last week, Howard celebrated his moveversary to his fabulous west side condo.
Ben is making a party to celebrate his one year moveversary.

moveversary by MikeInDC July 8, 2020

menoversary 

The monthly recurring date of a past event, especially one of historical, national, or personal importance. Often referred to as a "month anniversary." This is wrong, because "anniversary" comes from the root "ano" meaning year, while "menoversary" comes from "meno" meaning month.

I asked my girlfriend out on October 24th, 2005. Our 1st menoversary is on Thanksgiving, and our 2nd menoversary will be on Christmas Eve.

menoversary by The One True Kaiser November 24, 2005

meniversary 

The monthly recurring date of a past event.

My girlfriend and I are celebrating our 8th meniversary this month.

meniversary by Mike3567243 May 28, 2008

Memeversation 

An entire online chat or conversation conducted exclusively as an exchange of memes and images, without words or text. Especially applies when only using clips of images and/or links to visual memes.

(After several exchanges of clipped images/links of internet memes)
"OMG, we didn't use a single word in that whole thread!"
"Yes, that was a total memeversation."

Memeversation by DanGarPrius June 7, 2013

Memeversation 

a conversation held between two or more individuals comprised entirely of internet memes

Brody keeps textin' stupid memes; he's tryin' to get all up in me and Brad's memeversation!

Memeversation by BKat May 28, 2014

mamaversary 

The date on which a woman becomes a mother.

March 28th I will celebrate my mamaversary of 33 years!!

mamaversary by nnswwj March 5, 2018