TV series example of the word

The Big Bang Theory Season 3, Episode 14
And for you, Factory Burrito Grande, no cheese, no sour cream...

The Big Bang Theory Season 10, Episode 1
and see your sour face.

Game of Thrones Season 2, Episode 5
after negotiations went sour.

Game of Thrones Season 6, Episode 9
I have a jug of sour goat's milk

Game of Thrones Season 4, Episode 3
but the North's no better. The whole country's gone sour.