Originally U.S. same old, same old: used to convey that something is unvaryingly familiar or drearily predictable.
In quots. 19641 and 19642 as the title of a song by U.S. jazz pianist and composer Roger Kellaway (b. 1939) who in correspondence with the editors made the following comment:
‘In 1959 I was playing bass with Ralph Marterie's Big Band. In the saxophone section playing first Tenor was Joe Farrell. Joe was the first person that I ever heard say, "Same Old, Same Old". I have no recollection of ever hearing anyone else use this expression. I just liked it as a song title. That's why I used it.’ (From an email dated 12 March 2016).
1964 Billboard 22 Feb. 28/4 Listeners will probably be hearing his [sc. Roger Kellaway's] ‘Same Old, Same Old’ played as a single on many pop radio stations across the country in the near future.
1964 R. Kellaway (title of song) in Jazz Portrait Same old, same old.
1988 J. Ellroy Big Nowhere vii. 78 The slattern tapped the strip with a long red nail. ‘The same old same old. What can I do you for?’
1994 Minnesota Monthly Aug. 54/2 It's the same old same old every year at the fair.
2005 M. St. Amant Committed (new ed.) Epil. 281 My season can be described in four words: same old, same old.
used to say that a situation or someone's behaviour remains the same, especially when it is boring or annoying:
Most people just keep on doing the same old same old every day.