on the nod prepositional phrase2 •(UK, informal) With no discussion or controversy.The New Economic Policy (or NEP) in its rudimentary form was approved almost on the nod and the Leninists won the debate on the trade unions without difficulty. — 2005 •(slang) In a stuporous state following a high from heroin.She was nearly 'on the nod' from all the heroin she had coursing through her veins and couldn't handle a struggle. — 2011
