sadversary 

Someone who sees themselves as your rival or enemy, but is just too sad for you to bother with.

Art liked to think of himself as my nemesis, but he was just a sadversary.

sadversary by Gazira June 24, 2011

adversary 

to oppose

adversy against the government.

adversary by pigdestroyer November 10, 2003

Sadaversary 

The day of a national tragedy.

November 8th, 2017, the nations first sadaversary, marks the day Donald J. Trump won the election for the presidency.

Sadaversary by Kiflaam April 20, 2018

adversary 

ad⋅ver⋅sar⋅y  ad-ver-ser-ee

-noun

An individual with exceptional style and substance who challenges and engages you in a meaningful way.

"You, mamacita, make a fine adversary."

adversary by Math Teacher for a month May 15, 2009

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."

sexversary by janice jim July 13, 2009

saddiversary

An anniversary for a sad, depressing, or generally bad event. Can be used humourously in some cases.

1.
Chuck: "Why so glum, chum?"
Eric: "My dad died a year ago today"
Chuck: "Oh... happy saddiversary dude. I'm sorry"

2.
Larry: "Happy saddiversary Sean!"
Sean: "Huh? What happened today?"
Larry: "Remember last year when you finally dumped that crazy chick you were dating? The one who always bit you while giving head?"
Sean: "Oh yeah... Cheers!"

saddiversary by Misnomer456 October 30, 2010

*Insert ultimate adversary*

Attempting to usurp God by way of transitive property.

Antifa hippie "If God is real, then why didn't he stop *Insert ultimate adversary*? If God can't do it then I will defeat fascism myself. Thereby demonstrating that I should be the one who decides who exists and who doesn't not."

*Insert ultimate adversary* by Hym Iam April 4, 2022