The writing of flirtatious comments on one's "To Go" box, specifically in purple ink.
Commonly known as the "relationship ender/beginner".
You really shouldn't have left those flirt stains on top of your car.
Midwest version of getting a tan line from your necklace or ‘chain’
“ must have worn your chain in the sun too long it lets a chain stain.”
When a guy has sex two days in a row without showering.
Yeah man, had a great week-end with her, I even re-stained the deck.
Forget flying by the seat of your pants. Try flying by the stain of your thong!
"He came into your apartment. He left the Thong Stains on the carpet!"
When you masturbate in bed and you leave it on the sheets and your girlfriend or wife rolls over on it and gets pregnant.
He's not dumb, he's just a stain baby.
A derogatory term used to describe a black sheep of a group
Why you being such a g stain