Definition 1: The prolapse of ones anus, usually the result of too much anal sex which bears startling similarities to an industrial emergency stop button.
Usage Example: After hours of rampant anal sex it became apparent i had been a bit too vigorous after her body promptly induced its emergency stop button.
Emergency button, The
Definition 1: The prolapse of ones anus, usually the result of too much anal sex which bears startling similarities to an industrial emergency stop button. 
Usage Example: After hours of rampant anal sex it became apparent i had been a bit too vigorous after her body promptly induced its emergency stop button.
