slab
n.— «If you are a Houston m.c. of any note, you probably drive a “slab,” the local word for an enormous American car from the nineteen-seventies or eighties that has been overhauled and tricked out in high-gloss “candy paint.”» —“A Place In The Sun” by Sasha Frere-Jones New Yorker (New York City) Nov. 14, 2005. (source: Double-Tongued Dictionary)