broken record
(British also stuck record)
noun
Used, especially in similes, to refer to a person’s constant and annoying repetition of a particular statement or opinion: at the risk of sounding like a broken record, let me repeat: it will be difficult to do well in the exam without attending classes regularly I know I’m a broken record on this, but once again, they are lying about the deficit...
- They said the minister's endless announcements made him sound like 'a broken record'.
- At the risk of sounding like a broken record, look back into the history.
- The same gripes can be aired only so often before they start to sound like a broken record.
Origin
1940s: with reference to a scratched gramophone record that sticks at a particular point when played and constantly repeats the same passage.