flob, v. — Green’s Dictionary of Slang

flob v.

[note Yorks. dial. flob, to puff, to cause to swell, i.e. the puffing of the cheeks that accompanies the action of spitting]

(mainly juv.)

1. to spit, thus flobber, one who spits.

1977		New Society 6 Oct. in DSUE (1984).
1998		B. Robinson Peculiar Memories of Thomas Penman 55: It was Maurice who taught Thomas to flob. [Ibid.] 64: ‘Flob’, said Maurice. ‘Flob in the fire.’ A demonstration plug of sputum left his lips at high velocity.
2001		OnLine Dict. of Playground Sl. 🌐 flob v. [...] to spit.
2010		K. Richards Life 101: Phelge was a serious flobber. Mucus from every area.

2. to vomit.

1957

G. Kersh Fowlers End (2001) 136: You didn’t flob your gob last night.