What's the deal? Wuzzup? What it is? What it will be? What's gonon?, What's REALLY gonon? Wuzapnin? What's this all about? What's the time? What's next? Who's next?
But with a little flair. Can be:
1) a little more intimidating, as in toying with someone. (Tell me the truth.) Or,
2) just trying to sound cool (sometimes sounds FOOL or like a prick).
1) DX: "So tell me Regina. You sez you at home all night; but, my boyz seen you riding the Avenues in a black Beamah! Now ... WHAT'S THE DEALIO?!"
2) COOLIO FOOLIO: "WHAT'S THE DEALIO, Emilio? Sound like a shoddy old audio. Maybe we oughta BURY yo' stereo!"
Fogey/fogy /fougi/ sl. (early 18C+, orig. Scot) old-fashioned, stuck-in-the mud.
Person with old fashioned ideas which he is unwilling to change: Come to the disco and stop being such an old fogey!
You think me an old fogeyand an old tory, his thoughtful voice said. I saw three generations since O’Connel’s time. I remember the famine. Do you know that the orange lodges agitated for repeal of the union twenty years before O’Connel did or before the prelates of your communion denounced him as a demagogue? You fenians forget some things. (James Joyce, Ulysses. PenguinBooks,1992. p. 38)