Top Definition
1. Anyone who goes around posting things on a forum/blog just to get a high post count.

2. anyone who is on the computer all the time
1. "he is such an activ i just want to smack him for posting so much, when it is unneeded."

2. "activ`s need to go outside and get away from the computer."
by Rob10321 August 22, 2011
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