A momentary, violently uncontrollable urge to rapidly down-vote other user's submissions or comments on www.reddit.com, often as a natural reaction to having one's own submissions down-voted.
After having his submission down-voted below zero three seconds after posting it, Joe flew into an intense case of Reddit Rage, proceeding to down-voting every submission that did not mention pink plastic kittens in the title.
by Strawberry Angel March 22, 2009