Irishizing means: Irishizing refers to the special transformation of a non-alcoholic beverage into an alcoholic drink. You can take one cup of coffee, and add whiskey to it. Because it does not contain sugar or cream, it isn’t an Irish coffee. This is an irishized cup of coffee. It is the opposite of irishizing. A Virgin Mary can be made from a Bloody Mary. Mads, a Dane from Odense in Denmark invented the term irishizing. (in Community Dictionary, added by Chance Sparks)