Need to know what an upper decker is? Google Now has you covered. In fantastic detail.
Who knows exactly how Steve Boutilier discovered this particularly weird and casual definition -- Google Now's definition of "blumpkin" for instance (which it will also read to you) is a more formally worded entry from Wiktionary. One thing is for sure though: the glorious future we've all dreamed of is finally here. [Steve Boutilier via Reddit]