naijaboo
A naijaboo is someone who is so obsessed with Nigerian culture that they think it's the only thing that matters. They'll insult you if you don't know who D'Banj is or can't spell 'amala' correctly.
She mocked my brother for eating 'eba and egusi' instead of 'pounded yam and egusi'.
He walked out of a restaurant because the stew wasn't 'proper Lagos-style'.
She called her friend a 'food failure' for not knowing how to make suya.