[from Goethe's Der Zauberlehrling via Paul Dukas's L'apprenti sorcier in the film Fantasia.] A bug in a protocol where, under some circumstances, the receipt of a message causes multiple messages to be sent, each of which, when received, triggers the same bug. Used esp. of such behavior caused by {bounce message} loops in {email} software. Compare {broadcast storm}, {network meltdown}, {software laser}, {ARMM}.
[glossary]
[Reference(s) to this entry by made by: {ARMM}{bounce message}{software laser}]