Definition of fullock in English:

fullock

(also fulk)

verb

English Regional, Welsh English
informal, rare
  • no object To push, nudge, shove; especially to jerk the hand and arm unlawfully when shooting a marble; to push the hand slyly forward to be nearer the mark. Also (in later use): to shoot a marble from the hand by jerking the bent thumb (with no implication of cheating). Now rare.

Origin

Early 18th century; earliest use found in Exmoor Scolding. Origin unknown.

Pronunciation

fullock

/ˈfʊlək/