1 basing reasoning and argument on the premises of the following thinkers: de Saussure, Lacan, Althusser, Barthes.

2 used as 'ad hominem'.

3 (possibly pejoratively) saying someone is a postmodernist.
Ex. "You are such as Slab", i.e. "You are a fool".
by MPRosinski March 05, 2012

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Crack, Cocaine.

Usually used in turn with terms hitting, slamming.
I've been hitting the slab pretty hard, man.
I've been slamming the slab for weeks now.
by The Krunk Wizard Giz August 09, 2006

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Where I am from I-95 is the major highway or "SLAB" that I drive on. This can be a SLAB of concrete, SLAB of tar or if u'za back country boy then ur SLAB is a dirtroad. In down South Florida I-95 is my SLAB.
I was ballin' on my way to Tampa and my Brother EROS called. He asked where I was at and I replied "I'm Northbound on the SLAB, bout to hit the turpike".
by BenZie561 May 03, 2006

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Worse than a slut; having no redeeming qualities; of a promisuous and vacant nature; Most likely Canadian
Wendy is a slut, however Jennifer is a slab.
by EmilyJacinda August 01, 2006

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A slab is a carton of beer, this is regional dialect. Australians haven't the time to say carton when there's beer to be drank, so we say slab. 24 cans, stubbies, etc.
1:Hey mate you comin round for a piss-up Satdy night?
2:Fuck yeah
1:Well make sure you bring a slab!
by Jimma June 01, 2004

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A persons place of dwelling
I'm fixin to go to the slab
by DZWilliams October 27, 2006

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A tight ass car dat every male must have.
Ay check out my candy apple slab skatin' on flats.
by msshay June 08, 2006

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A slab is a male body part in other words a penis
A slab is a male organ that all women love lol its a DICK
by JASON TRADER March 13, 2005

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