What the ??

Crei q ya lo habia escuchado todo (Per say) And this I know
Newyorican? Person born in New York of Puertorican parents
Washingtonian? A person of Salvadorian parents, born in Washington DC
Chicano? I think we all know what this means... o no?
Tejanos? Born in Texas of Mexican parents.
but what the heck is this?? (van como 4 o 5 veces q lo escucho & it still doesn't make sense to me) "Tijuanajuatense" ........... Elaborate, please.