Fizzade

 was a brand of drink. A vending machine in the Red Kang brainquarters of Paradise Towers carried the brand and the Seventh Doctor used it to get a drink, much to the amazement of the Red Kangs. After tasting it, Fire Escape declared the drink to be "ice hot". Soon, all the Red Kangs were using the vending machine and drinking Fizzade. (TV: Paradise Towers)