Green’s Dictionary of Slang

slab adv.

[acro. Slow Low And Bangin’ ‘mainly used in the south for any car that is fully customized (ie. sound system, paint job, rims, engine, ect)’ (Urban Dict.) ]

(US black) to drive slowly in a customized automobile, for maximum presence.

Show quotations
[US]UGK ‘Diamonds & Wood’ 🎵 Dedicated to them boys ridin’ slab.
E.S.G. ‘Comin’ Down’ 🎵 Come down in H-town, I’ll show you how to ride slab.
Z-Ro ‘H-Town Kinda Day’ 🎵 You know we riding slab with that candy paint.