'gob stuff' definitions:
Definition of 'gob stuff'
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Gobbing \Gob"bing\, n. [See 1st Gob.] (Mining)
(a) The refuse thrown back into the excavation after removing
the coal. It is called also gob stuff. --Brande & C.
(b) The process of packing with waste rock; stowing.
[1913 Webster]
