Adjective
1.
People who wear pretentious artsy clothes even when not attending a themed event.
2.
People who are unable to live in the Midlands or the North of the UK because it isn't 'cool' enough.
'Uh-oh here comes a
right bright bunch.'
Etymology:
'Brighton'; a small coastal town in the south of England with a disproportionate population of 'artistic' types.