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]