a term meaning picture comment for picture comment. often used by internet sluts who are fat and dont have any friends in an attempt to make them feel better. they might FEEL better, but it doesnt help that they down 6 dozen doughnuts while they are on myspace for 12 hours waiting for some poor soul to feel sorry for them and comment on some terrible picture.
internet prostitute: pc4pc?
some guy who feels sorry for her (on picture): nice......chins?