Dictionary entry

Slabby

Webster's Dictionary 1913

Slab″by (?), a. [Compar.Slabbier (?); superl.Slabbiest.] [See Slab, a.] 1. Thick; viscous.

They present you with a cup, and you must drink of a slabby stuff. Selden.

2. Sloppy; slimy; miry. See Sloppy. Gay.