A filthy whore who roots all the boys and loves it!
Here comes Martha the slag, she's just done the whole team
by La Quandanisa March 30, 2009
Hag + slut = slag

Old hookers!
Me: Damn, that Karissa Shannon and Kristina Shannon, they're a bunch of slags.
Neppy: Agreed.
by yayafest January 27, 2009
Short for slut wagon. Skanky and promiscuous girl.
Look at that slag, I heard she got brown eyed last tuesday.
by Sym Dawnderson January 26, 2009
Noun: A woman that enjoys sexual intercourse with many partners. She is usually very unattractive and persistent with her targets. She often goes for several members of the same team. This could include a college football, basketball, or especially hockey team. She will have no self respect, nor will she recieve any in return. And although most do not like to admit when they have become the victim of such a swamp creature, it usually inspires a good locker room story.

Other forms:
"I went into Rick's room this morning to wake him up for the game, and what do I see, but the largest whale of a slag known to man."

"So Patty was makin' out with this chick at the bar, and then on the walk home Joe finger blasted her on the street. What a fucking slag."

"If you wanna talk slagtastic, lets talk about Katelyn Brown. I've never seen a girl begging for an eiffel tower quite so badly."
by Stop 'n Pop November 11, 2007
An all-purpose, non-vulgar word, originating from the Transformers cartoons, to be used in place of just about any profanity.
"Oh slag! The Decepticons are attacking!"
"This is a piece of slag."
by Terenn September 08, 2005
Verb: To swing your penis with the same motion and force that one would swing a baseball bat into a girl's face. At the same time, one must ejaculate whilst the penis strikes the girl's face, leaving a thick glaze of sperm on her cheek.
"Adam: Hey, what'd Jess and you do last night?

Luke: She was using too much teeth, so I slagged her to teach her a lesson."
by The salt of the earth March 25, 2013
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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