1. The name of the place where such a scandal (allegedly) occurred, or that of a place in some way associated with the scandal, as Dallasgate, Hollywoodgate, Irangate, Koreagate, etc.
2. The proper name, nickname, etc., of a person or organization implicated in the scandal, as Billygate, Floodgate, Totegate, etc.
3. A common noun (or occasionally another part of speech) that specifies the commodity, activity, etc., at the centre of the scandal.
► indicates date of composition for this text (as opposed to date of documentary evidence). More