turn sour

turn sour

To become unpleasant or troubling. Those two are bickering all the time now—I hope their relationship hasn't turned sour. Don’t bring up politics unless you want things to turn sour real fast!
See also: sour, turn
Farlex Dictionary of Idioms.

go/turn ˈsour

become less enjoyable, pleasant or good: Relations between the two nations have recently gone sour.
See also: go, sour, turn
Farlex Partner Idioms Dictionary
See also:
  • go sour
  • go/turn sour
  • come to a bad end
  • come to a bad/sticky end
  • dance card is full, my
  • go to the devil/hell
  • not know whether you're coming or going
  • what part of no don't you understand?
  • don't change/swap horses in midstream
  • a bit (too) rich for (one's) blood
References in periodicals archive
Viewers will next month see a Corkhill family reunion turn sour when Rod comes home, only for Jackie to walk out for good.
Rod plods back to Brookie
The government has set a two-year deadline for major Japanese banks to remove from their books outstanding loans to borrowers that are bankrupt or on the brink of collapse, and a three-year limit for any new loans that turn sour.
Bad loans could increase on weak economy: Yanagisawa
What's more, a CPA's presence as an exemplary audit committee member would be welcomed when markets turn sour and trial attorneys look for weaknesses on behalf of clients who have incurred losses.
CPAs and Audit Committees: The Perfect Match
But even the mostly tolerant worlds we urbanites live in can turn sour and violent at the drop of an epithet.
Navigating hate
And there is mounting concern among professionals about how these investors, many of them first-timers, will react when markets turn sour. Any uptick in rates, now at 20-year lows, could depress prices and plug the investment spigot.
Eli Broad
Sugas refuse to namedrop SUGABABES' Sweet 7 album launch on Wednesday threatened to turn sour after ex-bandmate Mutya Buena applied to the European Trademarks Authority to reclaim the band's name.
Sugas refuse to namedrop
It's great to see Derby in the top flight again and I hope it doesn't turn sour.
Football: Bite the bullet, Billy
Ravanelli's move to Dundee may turn sour when he finds out the truth about his new employer.
OFF THE BAWL: LOOKALIKES
All criticism hurts, but withGod's help, we can keep from letting it make us turn sour. Time is life; so ``killing time'' is a form of gradual suicide.
Thought For the day