busy as a nailer

Adjective

 * 1)  working constantly.
 * 2) * 1832 Samuel Lover "The Devil's Mill" Legends and Stories of Ireland (Dublin: Wakeman) 2nd ed., p. 139
 * So the Colonel went down stairs, and the Ould Fellow worked away as busy as a nailer, shovellin' in the guineas by hundherds and thousands.
 * 1) * 1888, Pennsylvania Secretary of Internal Affairs, Bureau of Industrial Statistics; Annual Report for 1887 (Harrisburg: E. K. Meyers) "G: The Amalgamated Association of Iron and Steel Workers" p. 24
 * The result was obvious; the nailer was no longer “as busy as a nailer,” and there was no prospect that he ever would be fully employed.
 * 1) * 2017 May 30, Noel Dundon, "Appreciation: The Late Eileesh Quirke, Holycross" Tipperary Star (Thurles)
 * [...] she would be as busy as a nailer in the Abbey Shop ensuring that Mass cards were ready for those who came, and helping out in any other way she could.