An unfortunate condition of that world renowned mammal, the human being. This condition allows the subject:Male or Female to wear ridiculous amounts of body perfume and revealing, or "Sexy" clothing, in order to attract attention, unfortunately they are completley unaware of how repulsive they are in everyway. This condition can only be treated by nuns or monks, both of who are unfortunatley rare in our slagorific society. Also see basingstoke
Famous slags : Cherrie Blair, Jordan, Robin Cook and Sonya from round the corner (prime example Sonya from Eastenders)also Peter Stringfellow, the inventor of all that is Slag.
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Cheap low-life female, usually predatory,trashily dressed who'll offer herself for sex at every opportunity, an expert at 'Man-snatching': men who already have a respectable female partner.
A destroyer of relationships, slutty, bad-mouthed, overly made up harridans who love any form of sexual contact, often at the expense of established relationships.
Rachel is a right slag!, three times this week she's hung around the pool room and has succeeded in shagging four married men!
by Inja November 3, 2007
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1. A combination of the words slut and hag.

2. A promiscuous woman, usually found unattractive, that has very low standards when choosing sexual partners.
I can't believe that slag is back at this bar. I think she's already fucked everyone here.
by Queen D September 5, 2006
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1. A Cybertronian curse word.
2. A Dinobot that turns into a Triceratops
3. What is formed when you melt down a Decepticon.
1. "Raw Energon, right through your twisted spark. TAKE IT! TAKE IT, YOU SICKENING PICE OF SLAG!" - Depth Charge
2. "Me Slag say you full of beryllium baloney!" - Slag
3. Man, look at all this slag.
by Dreadlock February 13, 2008
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The rubbish left on top of pure iron in the blast furnace
scientific name:
'Calcium Silicate'
by kelly February 18, 2004
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it is a word that boys or men give to women when they have no better insult for them when women
a. refuse to sleep with them or
b. act like men
c. admit to enjoying sex
women: "sorry love your not my type"

man: "whatever then your a slag"
by Laura and Relly March 16, 2006
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Past tense of slagging, To take the piss out of somebody or thing. Of Irish origin
John slagged Bob about his crappy car
by spiralsmile December 11, 2007
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