15
1. An employee who is a low contributor.

2. One who doesn't pull their own weight.

3. An employee who has high demands of their co-workers, yet can't seem to muster up any effort themselves.

4. A person who takes credit for the efforts of others

5. A slacker.

6. A waste product.

7. Someone who got a promotion based on WHO they know, not WHAT they know.
It looks like Mary is late again today; What a slag.

Oh, ya, David is on the team, but like all slags, we will have to pick up their slack.

Did you hear about the new slag? The boss's daughter is starting in sales this week.
by Tommy Effer April 27, 2015
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16
1. A man or woman who sleeps around with many people.
2. low quality Coal that is unusable.
1. Katie slepped with John on saturday and then Peter on Sunday. What a Slag.

2. Look at the Slag Heap's next to the coal Mines
by Tony June 12, 2004
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17
a woman that fucks behind her partners back
you are nothin but a fuckin slag kelly .i hope you catch syphilis because it will probably make your stinking gash smell better
by Anonymous April 06, 2003
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18
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 03, 2007
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19
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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20
A woman who is infinately cock-hungry and shags many men behind her partner, usually with a wide pussy
Slag's friend: Theres 60 men with boners from here to the door. Can you make it?
Slag: No! (starts sucking the nearest man's cock and telling the others to stuf their dicks in)
by pieman349 February 22, 2010
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21
a buster-ass chick. Sighting a slag is never pleasant and ruins any good vibes while around. Slags are generally cock-hungry and very persistent.
damnit! How does Lisa find us wherever we go? She's such a slag! I feel like I'm going to throw up when she's around. Well... at least Jonny'll FUUUUCK 'ER!
by Drew Rosenhaus August 10, 2007
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The vengeful act of crapping on a lover's chest while they sleep.

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