Abbreviation of "halfway
decent," meaning good, okay, or all
right, often when there was a lower expectation. Somewhere between clutch and meh.
Joe: What'd you think of
Avatar?
Suzy: It was half dubs dece, though the Pocahantas shit was a little overdone.
Joe: Fuck you I thought it was da shit.
Suzy:
Totes whatevs. Wanna get some chicken selects?