mackeming
A mackem is someone from Sunderland who thinks they're better than everyone else, even though they're not.
I'm from Sunderland and I think I'm better than everyone else, even though I'm not.
I told my mum I'm better than the Geordies, even though I know I'm not.
I'm a mackem, and I think I'm better than you, even though I'm not.