open the kimono v. phr. to expose or reveal secrets or proprietary information. (source: Double-Tongued Dictionary)
Further reading
Ashley from Berea, Kentucky, wonders about her father’s use of nords, apparently to mean “in other words.” This is part of a complete episode.
Related
Imagine telling someone how to get to your home, but without using the name of your street, or any other street within ten miles. Could you do it? We take street names for granted, but these words are useful for far more, like applying for a job or...