A person from Sunderland or Wearside in the north-east of England.
- ‘I know Geordie women who won't go out with a guy if he's a Mackem’
Relating to Sunderland or Wearside.
- ‘the Swedish midfielder admitted he struggled a little with the Mackem accent when he first moved to the club’
- ‘the illuminations are a proud Mackem tradition’
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