Green’s Dictionary of Slang

1. a mass or lump of some liquid or semi-liquid substance.

1900		H. Lawson Over the Sliprails 44: The pup curled like a glob of mud on the sand in the moonlight.
1951		J.D. Salinger Catcher in the Rye (1958) 124: There didn’t look like there was anything in the park except dog crap and globs of spit.
1967		C. Cooper Jr Farm (1968) 137: Mother Gish was watching me suspiciously from the front door, a puffed little glob in governmentgreen.
1970		C. Brown Down All the Days 170: Dabbing great globs of mustard all over his plate.
1988		D. Woodrell Muscle for the Wing 156: He filled his plate with a glob of everything.
1989		D. Waters Heathers [film script] Well maybe we could cough up a phlegm globber or something.
1999		E. Bunker Mr Blue 25: So thick with Three Flowers pomade that running a comb through it brough forth globs of grease.
2000		M. Manning Get Your Cock Out 106: The tugging Mexican spurted out a massive glob of sourcream all over a couple of 14-year-old teenyboppers.

2. (US) a plain sundae.

1931

O.O. McIntyre New York Day by Day 12 May [synd. col.] Plain sundae — glob.

3. (US campus) in pl., a great deal, a large quantity.

1967–8		Baker et al. CUSS.
1989		D. Jenkins You Call It Sports 99: O.J. angled back to the middle, to his right, and a great glob of daylight became visible.