Visiting firemen doesn’t necessarily refer to firefighters. The terms visiting fireman and visiting firemen may refer to any of several types of visitors from out of town, including non-firefighting celebrities, tourists, and rowdy conventioneers...
As we’ve previously discussed, firefighters don and doff their equipment, terms deriving from do on and do off. They are also said to dout a fire, meaning they “extinguish” it, dout being a similar shortening of do out. This is...