n. — slang, Politics
an informal name for the capital city, Ottawa.
Type: 3. Semantic Change — As with other capital regions, envy that is related to a perceived distance from the centre of power by other locations gives rise to derogatory pet names. See Chart 1 for the term relating to Ottawa.
See also COD-2, s.v. "Fat City", ITP Nelson, s.v. "Fat City" in the meaning 'a favourable set of circumstances".
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Chart 1: Internet Domain Search, 19 Nov. 2015