Top Definition
A form of using brutal force of a mass instead of people with skill to fight.
Yeasterday the Alliance was massing Onyxia with 40 people.
by Phlex March 30, 2005
A form of emailing, usually having more then two people involed.

A form of chatting done outside any chatroom and when no other options exist.
"thanks for including me in the massing yesturday guys"
by C01DfuS10N March 11, 2004

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