According to Urban Dictionary, wocky slush is a type of lean (a mixture of codeine cough syrup and Sprite) which is put into the freezer until it turns to a slushie consistency. For those that want to make their own here in the UK – tough, there’s no way you can currently do so as we don’t have the right mix of drugs in our cough syrup, unless you’re willing to raid your mum’s cabinets and borrow the pestle and mortar.
