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A internet conversation/argument that is hilariously one-sided. One person will start off with a bad insult (ex. YER MOM!!!!!1!), and the other will insult him/her cleverly. repeat ad nauseum.

Usually takes place over MSN or another chat tool, where it is saved and sent to peers and associates. Many laughs all around.
"Did the new philfag come out? Send it to me on MSN!"
by P. Dude December 06, 2004
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