It comes from a fable by Aesop. "Sour grapes" means that you want something, but you can't have it. So since you can't have it, you disdain it by saying something like "It was probably lousy, anyway".
As sour as the grapes
Sour Grapes - book - was created in 1921.
The duration of Sour Grapes - film - is 1.52 hours.
Sour Grapes - film - was created on 1998-04-17.
because there not
Sour Grapes - 1950 was released on: USA: 22 November 1950
Sour Grapes - 1950 is rated/received certificates of: Canada:G (Nova Scotia)
The Fox and the Grapes
Grapes are acidic in nature. They are sour in taste.
Grapes are acidic in nature. They are sour in taste.
sour
Tall Tales Taste Like Sour Grapes was created in 2007.