What is the defiance of miscellaneous expenses?

The phrase you're using doesn't seem to make sense. There is no well-known business or economic term or concept called the "defiance of miscellaneous expenses."

"Miscellaneous expenses" refers to a category of non-specific or occasional costs incurred by a business that don't fit neatly into other classifications such as payroll, rent, marketing, etc. They can include things like office supplies, travel expenses, legal fees, etc. It doesn't have a concept of "defiance."

If you were trying to refer to anything else, please describe the context or specific topic you're interested in, and I'll try to provide assistance accordingly.