Webster's Revised Unabridged Dictionary · 1913

Slabber

Slabber , intransitive verb

[Old English slaberen; akin to LG. & Dutch slabbern, German schlabbern, LG. & Dutch slabben, German schlabben, Icelandic slafra. Compare Slaver, Slobber, Slubber.]

To let saliva or some liquid fall from the mouth carelessly, like a child or an idiot; to drivel; to drool.

Slabber , transitive verb

1.
To wet and foul spittle, or as if with spittle.
He slabbered me over, from cheek to cheek, with his great tongue. — Arbuthnot
2.
To spill liquid upon; to smear carelessly; to spill, as liquid food or drink, in careless eating or drinking.
The milk pan and cream pot so slabbered and tost That butter is wanting and cheese is half lost. — Tusser

Slabber , noun

Spittle; saliva; slaver.

Slabber , noun

[See 1st Slab.]

(a)
(Machinery) A saw for cutting slabs from logs.
(b)
(Machinery) A slabbing machine.