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
by Nick Cusa September 19, 2006
When a guy sticks his whole cock in a girl's ass, creating an airtight seal. She then farts, creating a pocket of deadly gas. The man then attempts to cum without breaking the seal.
I think I got an infection after trying the "Canary in the coal mine" with Bridgette a few nights ago.
by Gunyip February 14, 2021