Anal Cobaining Share definition Flag The act of committing suicide but inserting a 12 gauge shotgun in your rectum, then pulling the trigger with your toe. That pta parent needs to shut the fuck up and just end it with an anal cobaining. Anal Cobaining by ballzbutt June 7, 2016 0 0 Get merch Get the Anal Cobaining mug. Buy Now — $32.95 See more merch