keep nit

keep nit

old-fashioned To remain vigilant or carefully watchful (for something or someone); to act as a guard or watch. The gang employed youths from the area to keep nit and give a signal if any police officers arrived. I offered to keep nit at the door, as I had no intention of risking my life in that creepy old house.
See also: keep, nit
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

keep nit

keep watch or act as a guard. Australian
Nit here is possibly an alteration of nix , a warning signal by schoolchildren that a teacher is approaching.
See also: keep, nit
Farlex Partner Idioms Dictionary © Farlex 2017
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