Proper noun
Centre of the Universe
(slang, Canada, derogatory) The city of Toronto, due to its perceived self-absorbed haughty attitude.
There is no spotlight in the National Hockey League quite as intense as the one that shines in Toronto, a.k.a. T.O., Hogtown, the Big Smoke, the Six, We the North, the Centre of the Universe, or even Toronto the Good. Source: Internet