Metroethnicity is an ‘aesthetic’ or ‘lifestyle’ theory of language and ethnicity proposed by the British sociolinguist John C. Maher.
The theory of Metroethicity rejects cultural essentialism, and heroic ethnicity, in favour of a hybridized form of ethnicity that is utilised for aesthetic effect.
Maher, J. C. (2005) 'Metroethnicity, Language, and the Principle of Cool'. International Journal of Sociology of Language 175/176: 83-102.
Maher, J. (2010). 'Metroethnicities and Metrolanguages'. The Handbook of Language and Globalization: 575-591. Wiley-blackwell.