Top Definition
When you sign onto AIM to find that you have 100+ plus offline messages sent within the same 15 seconds.
Guy 1:"Dude. Did you spamtasm me yesterday?"
Guy 2:"No. It clearly says it took 16 seconds for all 547 of these messages to send. Douche bag."
by Killage November 13, 2008
4 Words related to Spamtasm

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