According to Wikipedia, the vernacular is the speech variety used in everyday life by the general population of an area. Let's have a quick look (a squiz?) at our own.
I have just read an article by an American expat who loves the distinctively Kiwi phrases that enrich our vernacular.
Her thoughts reminded me of an early example quite close to home.
A family member who was living in Australia at the time visited the South Island with his Australian wife. On a pleasant summer day they visited an old friend and neighbour.
Very early on in the encounter, the