As an interjection pugh
is (archaic) pshaw; pish; a word used in contempt or disdain.
As a noun vugh is
* 1917 , Geological Survey of New South Wales, Mineral resources , Issues 26-35,
* 1955 , Yorkshire Geological Society, Proceedings of the Yorkshire Geological Society , Volume 30,
- Several years later larger vughs' at lower levels were met with containing a much greater number of stalactites. One ' vugh as large as a room contained so many that it was difficult to move about in it.
* 1957 , Australasian Institute of Mining and Metallurgy, Proceedings ,
- The explanation of the not infrequent pairs of hemispherical concretionary masses with polished cross-sections might lie in the miners carefully extracting the rounded and bulbous masses of fluorite projecting from vugh linings.
- The largest patch seen, which is about 2 cm. across, is a milky white crystal almost filling a small vugh in otherwise barren white quartz from the 3-level.