British
ice cream normally bought from an
ice cream van.
Consists of a wafer
cornet, whipped ice cream and a
Cadbury's flake on the top.
Note that it is whipped ice cream rather than the scooped variety that is used otherwise you wouldn`t be able to get the flake in without it breaking into pieces.
Margaret Thatcher was apparently one of the inventors of this type of ice cream which is basically normal ice cream pumped full of air. This means that you can charge the same price for half the ice cream.
I'm not sure where the name
99 comes from but it certainly isn't from the price since I remember buying these in the 1970s when they cost less than 10p each.