Excess flux from a weld, usu. projecting in such a manner as to impede fit. Removed by grinding, filing, or the use of a slag hammer.
That guy shouldn't have access to an arc welder! He has an inch of slag for every damned joint!
by Ike January 26, 2005
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
A woman, who sells her smiles for money.
A - "Hi, will you give me some money? :)"

A - "Please!"

A - "Pretty please!"

B - "What will I get for it? A smile?"

A - "Yeah!"

B - "Slag!"
by A-Man-In-Lion's-Costume April 11, 2011
n. SLutty Asian Girl

The kind of mail-order Thailand Toy you see with disgusting old white heterosexual men, usually not good looking, but they're looking to come to America / be rich, so to their men, they "love them long time".
He can't find a suitable partner at 86, so he had to settle for a $250 SLAG.
by Joebleaux964 April 05, 2011
a lazy person
i was in bed all day, I'm such a slag
by ms.cool1018 December 07, 2010
The large area of skin above the pecker. Often covered in pubic hair.
hustons slag is covered in red pubes, hence why we call him fire crotch.
by Huston Gillis October 06, 2005
A girl that makes u go down on here letting you think
its foreplay when in fact that's alll you're getting from her!!!
Slag? me? sometimes...
by Nimakya September 27, 2005

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