Tip stain

When you should've shaken twice, but only shook once, and a mark is left on your pants.

That dude just left the bathroom with a generous tip stain!

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muck stain

In poker, the residue left on the table after a player has just bluffed and bought the pot. Much residue is left on the table and it can never be removed.

Pat Shelby just left a gigantic muck stain on my new poker table after buying the pot during the last hand.

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Copy Stain

The undesired effect that occurs when copying a string of text from one AIM conversation to another, in which your text then unintentionally adopts the font and color of the copied.

"Shit, now I've got copy stain!"

"That copy stain is so annoying."

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queef stain

it is a stain left by a queef(pussy fart)

you are just another one of your mother's queef stains

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taint stain

a stain left in the underwear from (sweaty balls )or vagina, not to be confused with a skid mark

joe thought he left a skid mark in his drawers but it definitely was a taint stain

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protein stain

Spermatozoa that has dried on a fabric or carpet or anything else.

"Damn when my wife sees all the protein stains on our new bed she'll know I've been fuckin' around'

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wank-stain

A stain on the trousers of the world; a worthless or insubstantial person; one possessing no redeeming qualities, who is a waste of life.

"Goddamn but that guy's a fuckin' wank-stain!" or "Normally I'd love to Bob, but I regard you as a wank-stain and must decline."

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