council cocktail 

Cheap cocktails that you get while out on the piss in town, usually of poor standard

Customer: "I'll have a council cocktail please"
Barkeep: "Will vodka red bull be ok?"
Customer: "Definitely!"
Barkeep: "Safe"

council cocktail by Rapc February 28, 2009

Council Cocktail 

British English: Tap water, especially that of an extremely low quality

A - “Do you fancy some water?”
B - “Sure, as long as it’s bottled. I can’t be doing with any of that council cocktail.”

Council Cocktail by Axeyblahblah July 7, 2021

Council estate cocktail 

A mix of cheap alcohol used to make drinking it slightly more bearable

E.g Strongbow and Blackcurrant

Person 1: What are you drinking?

Person 2: Strongbow and blackcurrant
Person 1: Aw, why are you drinking a council estate cocktail?

Council estate cocktail by Qwertyasdfghdjihfebfbnuecn November 2, 2010