RhymeZone: slabby definitions

Definitions of slabby:

adjective: Of a liquid: thick; viscous.
adjective: Of a surface: sloppy, slimy.
adjective: (of weather) Rainy, wet.
adjective: Composed of slabs; resembling a slab or slabs; inelegant, cumbersome, clunky.
noun: (New Zealand, informal) A worker who deals with timber in the form of slabs.

(Definitions from Wiktionary)