participaste
To participate in an online discussion by only using copy 'n pasted information from similar discussions found on the internet.
In order to be taken seriously in this debate you'll have to do more than just participaste.
participaster
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.