nit-keeper noun a lookout for an illegal activity AUSTRALIA,1935
But Thommo’s became increasingly hard to catch because its proprietor built up what Chuck described as a “small army of nit-keepers, cockatoos and top-offs.” — Vince Kelly, TheBogeyman, p. 165, 1956
— Frank Hardy, TheOutcastsofFoolgarah, p. 49, 1971