1. A semen stain on clothing, particularly embarrassing for a male around the groin area. A stain possibly caused by a male accidentally ejaculating on ones self or sexual misadventure.

2. A derogatory term used to describe a person as nothing more than a disgusting semen stain.
1. Oh shit I dropped ice cream on my trousers and its going to look like a wankstain.

2. What a fucking wank stain.
by Libertine April 9, 2016
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1. A persistant annonoying twat .2. Something you desperately want to get rid off but with a great deal of difficulty.
1. Get out of my face , you wankstain !
2. That housemate of mine is harder to get rid off than the wankstain on the wall!
3. This mate of mine is a proper wankstain !
by Lester122 April 3, 2007
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person of such low intelligence that only a clump of dried dead sperm are a comparison
That stupid wankstain has fucked up again
by bikerspice July 10, 2003
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n. Insult, mostly British. Used for foolish, dirty or vulnerable people. Derived from wank and wanker, to do with masturbating. Taken literally, a wankstain would be semen staining an item of clothing after masturbation.
1. You haven't taken a bath in weeks you wankstain!
by Gravyboy June 13, 2004
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A complete and utter waste of a perfectly good wank!
You are a complete and utter 'wankstain'!
by TsunamiWaverider June 25, 2015
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Falls into the same category as arsewipe to be honest. Mild term of abuse for a sibling. See arsewipe.
"Oi wankstain, never douse my duvet in petrol and set it alight whilst I'm asleep underneath it again!"
by britishandworried February 3, 2005
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A politician. The only politicians worth any respect are a few dead ones
Tony Blair and George Bush, what a couple of WANKSTAINS!! Must wash them off my sheets, better still BURN THE FUCKING SHEETS!!!..........."whats that you say nurse, medication time?"
by lord nobcheese August 12, 2006
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