From Longman Dictionary of Contemporary Englishon the nodon the nodBritish English informal by general agreement and without people discussing it The chairman’s proposals are usually passed on the nod. → nod
Examples from the Corpus
on the nod• Ira Sanchez offered a bet and the bookie took it on the nod.• Everything went through on the nod.• Funds for major projects and programmes have been approved virtually on the nod. 