http://www.urbandictionary.com/define.php?term=ramper
In the context of this stock it would be the same few posters repeatedly posting rehashed information or low content posts. No doubt to try and keep DMN in the top 20 most talked about posts.
Incidently I am an exploration geologist. I cant walk around with a geopick and hand lense on this forum, hence I imply the fact in my name.