- Nitty-gritty is slang for the basic facts, key details or most practical aspects.
Knowing the date, time and place of a party are an example of the nitty-gritty of planning a party.
Origin of nitty-grittyorigin, originally black slang: rhyming euphemism for shitty
Origin of nitty-grittyOrigin unknown.
Uncertain, said to have been used at first by black jazz musicians, perhaps ultimately from reduplication nit and grits (finely ground corn), from Old English grytt, grytta (“coarse meal").