Flat Champagne. Adjective. Used to describe a leader, Liz Truss, who claims her "Liz Fizz" economic plans are a work of a genius.

Also used to describe a bitter Daily Express/Mail reader
Did you hear about the "Liz Fizz"? Turns out it was fucking flat Champagne, again.
by ToryBoyRulez September 30, 2022
Get the flat Champagne mug.