Definition
Any thing, especially an organism, whose demise or distress provides an early warning of danger.
See Also
- climate canary
How People Actually Use It
A sexual act preformed by shoving a singing canary up your partner's ass. If it stops singing, cleaning may or may not be necessary.
""I was getting a little freaky last night, so I gave my girl the ol' coal miner's canary. The bird kept singing so I knew it was clean for me to go next.""
Source: Urban Dictionary