WinCustomize. n. Originally an Internet 'website' of the late 20th Century. Now a generic term applied to any drooling, lobotomized gutter-trash. Near Syn. dunce, imbecile, retard.
Look at that wincustomize over there! How did it get out?
Don't be a wincustomize!
It's ok, sweety. It's just a wincustomize.