I think if you use Wonka, every person in the world will know what you mean. In a few years JJWW or WWCF or anything equally obscure will confuse the new generation who come to the hobby.
I only started into Pinball 10 years ago but there are some abbreviations I still can't figure out when I see them mentioned in various threads. They should have a link on them so you click the abbreviation and it tells you what machine it is.