Meaning of *pasiyu

ba — it is highly impossible that (such-and-such) happen (said as if addressing someone named Pacio). ‘Mipasar ka sa iksámin, Ting?’—‘Pasar ba, Pasiyu!’ ‘Did you pass the exams, Ting?’—‘Hell, no!’ ‘Musugut ka ba?’—‘Musugut ba, Pasiyu!’ ‘Do you agree to do it?’—‘Are you kidding? (No!)’