Top Definition
The person who tries to be the first one commenting on any given post or thread. Having nothing worthwhile to add to any conversation, such tards make themselves feel better by simply being first.
They usually stop being a tard once they've accomplished the more difficult task of peeing in the toilet like a big kid.
Man: "Listen to this. According to this internet article science has found a cure for cancer and the only comment anyone made was "First!"

Wife: "What a commentatard.
by Jing123456 June 05, 2011

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