Definitions by Osaker
Osaker
An Azumanga Daioh community dog whistle to identify those aligned with the character 'Osaka' (Ayuma Kasuga). True Osakers usually live and breathe anything pertaining to the character of Osaka. True Osakers are against Chiyo-chan at all costs. Often, one will hear a battle cry of "Oh my gah", or "Sata Andagi" when an Osaker is nearby.