i Register
In some senses, cumstain is marked as slang, vulgar, derogatory, offensive. Watch for register when choosing this word.
noun
A stain from ejaculate.
You've got so many cumstains on your shirt if I shined a black light at you, you'd look like a Jackson Pollock painting.
Term of abuse.
I'm not listening to a word out of that cumstain's vapid mouth.