A person who's participation in online discussions comprises purely of copy 'n pasted opinion from other similar forums.
I thought John was making more valid points than usual in our online debate, but then I realized he was just a participaster.
by CapTim October 21, 2008
To participate in an online discussion by only using copy 'n pasted information from similar discussions found on the internet.
by CapTim October 21, 2008