From Longman Dictionary of Contemporary Englishnitty-grittynit‧ty-grit‧ty /ˌnɪti ˈɡrɪti/ noun informal → the nitty-gritty
Examples from the Corpus
nitty-gritty• But how did he do on the nitty-gritty?Origin nitty-gritty (1900-2000) Probably based on gritty 