What is Canary In A Coal Mine?
1.
The thankless task of being the first one to take a hit, from the practice of coal miners of bringing down a caged canary to see if there's dangerous gas below
I don't know if this alleyway's safe, and I ain't no canary in a coal mine.
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1.
The Great and Omnipitent book of 'made up' words, many of which are defined on slangdefine. May be revised at any time. Ofte..
