slab
noun
°A large, flat shaped piece of material such as stone, concrete, clay, butter etc..
°A paving stone, flagstone.
verb
°To make something into a slab.
abbreviation
°Slow, Loud And Bangin': (US) A car that has been modified with equipment such as loudspeakers, lights, special paint, hydraulics, and any other accessories that add to the style of the vehicle.