Critics argue that this term, despite its popularity, is not likely to be the origin, as the first recorded use of codswallop was not until around the 1960s, over ninety years after the term for beer fell out of use. Also, if that were the derivation, we would expect to see it exist sometimes in the form of 'Codd's Wallop' and for an intermediate spellings of 'coddswallop' to be found.
Contrary to the critics quoted above many people with English ancestry in the working classes recall the use of the term in the 1930s & 1940s in northern England.
A Load of Codswallop! Labour MP's Astonishing Outburst at Plan to Rename Big Ben Tower for the Queen - a 'Fifth-Generation German'
Mar 25, 2012; Byline: Simon Walters and Brendan Carlin A LEFT-WING Labour MP last night launched a campaign to stop Big Ben tower being renamed...