Green’s Dictionary of Slang

1. to swallow in large mouthfuls, to gulp or ‘choke down’.

1984		Partridge DSUE (8th edn) 479/2: C.18–20.
1995		J. Cameron Vinnie Got Blown Away 125: Gobbed his grub.
1999		Observer Mag. 5 Sept. 33: Like chain-smoking Rothmans, gobbing at Death Pop.

2. to hit in or on the mouth.

c.1825		T. Jones ‘The True Bottom’d Boxer’ in Egan Bk of Sports (1832) 74/1: With tapping of claret, and clipping and gobbing.
1893		Derbyshire Times 1 July 6/3: he wanted to tell the Derbyshire Times — (A Voice: ‘They want gobbing,’ and cheer).

3. to spit; to dribble.

1896		G.F. Northall Warwickshire Word-Book 93: Gob. [...] To spit out; expectorate.
1899		C. Rook Hooligan Nights 61: ‘Gobbed, like,’ he said, and drew his sleeve across his mouth.
1910		Bulletin (Sydney) 10 Nov. 43/1: Peter was enabled to spit on his friend’s hat without difficulty. [...] ‘Drop gobbin’ on a bloke, d’yer see, or I’ll take an’ warm yer,’ he said.
1943		R. Llewellyn None But the Lonely Heart 101: You give the edge of the paper a lick, like that. But don’t go and gob all over it.
1956		H. Gold Man Who Was Not With It (1965) 191: ‘Mopery with intent to gog,’ [sic] he replied, chanting. ‘Spitting on hermits without a permit.’.
1966		(con. 1948–52) L. Thomas Virgin Soldiers 50: I was up till two this morning gobbing on this toecap.
1974		P. Larkin ‘The Card-Players’ in High Windows 23: Jan turns back and farts / Gobs at the grate, and hits the queen of hearts.
1983		S. Gee Never in My Lifetime in Best Radio Plays (1984) 83: There must be someone up there looking after us, guiding us... Gobbing on us from a great height.
1989		R.G. Barrett Boys from Binjiwunyawunya 272: Stinkin’, rotten, snooty fuckin’ Melbourne bitch. Gobbing on her wasn’t enough.
1997		Fraser & Meadows TwentyFourSeven [film script] (1998) 8: I never have your chips, you mardy little arse. First time I ask and ya gob on them.
2000		Indep. Mag. 15 Jan. 29: Grim, headscarfed old women gobbed at foreigners in the street.

4. to inform.

1968		A. Burgess Enderby Outside in Complete Enderby (2002) 304: I’m like telling you this because you won’t gob. Daren’t, more like.
1999		J. Cameron Brown Bread in Wengen [ebook] ‘Nicky you just gob it when you get in there’ [i.e. a police station].