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1.
An attempt to divert attention away from a direct question by overloading a response with information (See information overload).
"I asked John if he accidentally rebooted the server and he responded by IO jamming for the next half hour about his hectic afternoon."

"My girlfriend asked me if I've been dating other chicks, so I just started IO jamming until she forgot what she asked me."
by treehead February 19, 2007