Junction staining 

Performing oral sex on a beautiful, intelligent woman until she gushes!

Can you do some junction staining for me please :) I need that to finish… -Tammy

Junction staining by TennisEE October 5, 2021

Go stains 

The stain on items that sometimes happens when a person ejaculates

When changing my teenage son’s bed , there were go stains on his sheets

Go stains by Roxx65 March 2, 2023

Cuddy stains 

The residue left on the inside of a toilet bowl after a sticky bowl movement

Bro, clean your toilet. You’ve got serious cuddy stains.

Cuddy stains by Power Stan June 12, 2023

per per stains 

Stains left behind from a woman on her period

Girl: "I need to change me bedding because there are per per stains on them"
Mom: "Those are the hardest stains to get out"

per per stains by bryceee_69 March 27, 2014

chamber of stains 

The jack off room of a strip club or adult store

bill had a good time in the chamber of stains

chamber of stains by adambomb76 May 24, 2018

Drainer and stainer 

drainer and stainer:
Vulva and anus

‘dogs were sniffing around my drainer and stainer ...’ Courtesy of Kate McKinnon on SNL

Drainer and stainer by Bartledoo April 22, 2020

Chernobyl Uranium Stainium 

The Chernobyl Uranium Stainium is when one shits in their pants so hard it has to be considered a nuclear accident.

You hear about John's Chernobyl Uranium Stainium?

Chernobyl Uranium Stainium by Coco puffs chomper December 3, 2020