We used, decades ago, one of those old pink, hard plastic vibes that had the screw on cap and two "c" cell batteries. Except once all the way in, the cap popped off and thankfully the thing didn't slide up into me (it sure could have), but the "thread" area, for the cap, really roughed up my poor anus, as I squeezed and my hubby had to grab it with a fine nose pliers, and pull it out.
What is your "nightmare" anal sex toy story?
What is your "nightmare" anal sex toy story?