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1.
(verb) when you down-vote all of someone's comments on a site like digg or reddit simply because you dislike one of the user's comments.
Originally derived from reddit for the fact that they keep a running tally of "karma" that you accumulate based on how well your comments rank.
He was ranting about how great GW Bush was, so I went to his profile and started karma bombing the last 6 months of his posts and comments!
by Devaney1984 February 27, 2009