1 definition by HandofGod

Top Definition
The act of changing the topic of a specific thread of email chains to something pointless. This is most annoying when seen in email chains planning a specific event. An extremely irritating abuse of the reply-to-all button.
Person 1: Have there been any good ideas on the New Year's Eve chain?
Person 2: I don't know. I stopped reading it after Keppler chainjacked the it.
by HandofGod December 10, 2009

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