50
One who slacks; Lazy; Careless.
1) Timmy didn't do his homework, what a slag.

2) That slag over there forgot to tie his shoe, he is going to trip.
by Mr_Ondz September 20, 2010
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51
Slag: A slag is a male or female, who have sexuall intercourse with three members of the opposite sex for one McDonald's chip, this most commonly happens in a back yard shed but the term can be given to any person who has done the above traits.
Choppen, nuff said. slag.
by awesomemand June 13, 2011
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52
A filthy crackwhore slut i.e. Brittney Spears
by rustyshackelford February 29, 2008
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53
A Swear in Transformers Animated.Slag is used instead of a swear word.Mainly used by the youngest robot Bumblebee.Can also be used in the past and future tense.
What the slag was that?

We're slagged!

That was slagging awesome!
by Autobot Ninja October 02, 2009
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54
Term of affection used with an old friend who really is an "old slutty hag"
Hey what's up "slag"?
by Coco Loco September 07, 2006
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55
Put down. This is the correct slang definition of 'slag'. It's not to be confused with 'scag', which is another name for heroin or a slut trash bitch.
Rather than beating the shit out of his friend for slagging his girlfriend and calling her a scag, he bought some scag and shot up.
by madmaxxx February 15, 2005
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56
i was in bed all day, I'm such a slag
by ms.cool1018 December 07, 2010
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