by La Vraie Princesse January 18, 2023
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"
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
The act of holding your testicles in your hand, so that they resemble a brain. Then placing them on someone, thus giving them a brain stain.
by ClitorisCommander1234 May 13, 2011
the pesky mess left after someone's brain has splattered; usually left on purpose, out of anger and frustration
by alyjane June 06, 2011
When a man nuts on your forehead.
by AlecLEE41 July 30, 2022