English London, United Kingdom
Idiom USED On Occasion BY Londoners
It means a long-winded story that is nonsense. The literal translation of the expression is from cock or rooster to donkey/ass.
"Some men’s whole delight is to talk of a Cock and Bull over a pot." (the earliest example in print: The Anatomy of Melancholy by Robert Burton,1621)
Submitted August 2020 by angiemarywhiteyahoocouk