Top definition
A person who comments on a status update or anything else similar to that and ruins a good conversation between two people.
Mark: "So i was totally flirting and gaming up Alicia over on her status update."

Carlos: "Oh rlly? What happened?"

Mark: "It was all going good i was totally making an impression and about 25 comments in this douche posted a comment and just ruined it. She stopped replying after that."

Carlos: "Wow what a Chat Blocker!"
by Wanterito March 30, 2011
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