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1.
A word used to describe the weather. Presumably when it is could and chinchillas are falling from the sky. This, however is not the case, and it is just a gay way to say that it is slightly cold out.
Guy 1: "Man, it was so Chinchilly today."
Guy 2: "You mean it was cold, right?"
Guy 1: "Yeah."
Guy 2: "Fag."
by RainMan32 February 08, 2011