Freak Stain

... a blemish caused by the activities by a freak who sexually scars a part of their body through their activities.

E.g. herpes, genital warts

Oooooooohhh that Erin bitch has a freak stain on her face.

or

Erin has such a nasty freak stain on her face.

by Pozzum69 November 18, 2011

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.

by Power Stan June 12, 2023

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

by Roxx65 March 2, 2023

Brain stain

Information now in your head that you don’t want to be there.

Caitlyn Jenner’s performance on The Masked Singer left a brain stain.

by La Vraie Princesse January 17, 2023

Brain Stain

When something is stuck in your head, typically a song or tune/beat, that just won't go away like a bad stain.
See also "Ear Worm"

I've got brain stain from that song on the TV advert, I can't get it out of my head and I don't know the artist!

by oretisktick October 25, 2023

Shame stain

Ejaculate

Keith: Hey Dave, What is this suspicious wet spot on my towel? I investigated it using all five of my senses and I just can’t seem to make heads or tails of what it could be..
Dave: What You found was my shame stain, I couldn’t use my towel because I already shaved my pubes into it. I also had to use your shirt to wipe my ass and blow my nose, in that order.

by Painus Vanchagrra January 2, 2023

Stain season

The season that the chance of being stained is much greater

Yo, be careful of your surroundings its "stain season".

by saggylikings December 3, 2018