A lump of soft or sticky material.
The mouth.
He′s always stuffing his gob with fast food.
Saliva or phlegm.
He spat a big ball of gob on to the pavement.
A sailor.
Waste material in old mine workings, goaf.
A whoopee pie.
To gather into a lump.
To spit, especially to spit phlegm.
To pack away waste material in order to support the walls of the mine.