Mackem

noun

a person who comes from or lives in the Sunderland and Wearside area
the dialect spoken by these people

adjective

of or relating to these people or their dialect

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012