Used to flag up a double entendre. Works similarly to “as the actress said to the bishop” and “that’s what she said”
Was sometimes used by Les Ross, breakfast DJ on BRMB radio, generally with the words “…don’t we, boys and girls” appended
Mark – 1970s
Mark Iliff – owner
The phrase was subsequently adopted as the title of a podcast by UK musical comedian Mitch Benn, so it was probably know beyond listeners to BRMB