411 REFERENCE · Wiktionary
Janet and John
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Etymology
From the Janet and John series of early reading books, published in the UK in 1949–50.
Adjective
en adjective
en UK Childishly simple or obvious, resembling something found in a book for very young children.
en There is an instruction manual, but it's all very Janet and John.
en 2014 John Hutton, Baron Hutton of Furness John Hutton; w:Leigh Lewis How to Be a Minister: A 21st-Century Guide https://books.google.co.uk/books?id=p-1-BAAAQBAJ&pg=PT64&dq=%22janet+and+john%22 Apologies if what follows seems a bit Janet and John. But if you already know it all it will at least be welcome confirmation and, if you don't, well at least someone tried to give you some genuinely well-intentioned advice.