jiggered (?d????d) adj (postpositive) 1. informal damned; blowed: I’m jiggered if he’ll get away with it. 2. (sometimes foll by up) dialect Scot and Northern English tired out[C19: probably euphemism for buggered; see bugger]Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014