Sens

Pas question! / N'importe quoi!

Exemple

Tu acreditou nessa história? Aooonde!

T'as cru cette histoire? Pas question!

Origine

An emphatic Bahian interjection of incredulity, with the vowel dramatically stretched ('a-ooo-nde') for effect. It's not really a question about location: the rhetorical force is closer to 'as if!