Used by the very first commenter on a blog or forum to show they beat everyone else to comment first

A word that highly skilled internet commenters post on internet message boards to show their superior skills at being the first to comment on an article, blog post or other internet forum. Typically these people are highly skilled and successful individuals that are irresistible to members of the opposite sex.

Apparently sought after position of being the first person to write on an online comment section, only to use the opportunity to write "first."

A term used to describe the first person to post a comment on a popular video, forum, or website. Usually used by little kids who think they are cool because they are the first of thousands to comment on something popular, when in reality no one really thinks its cool.

a word that is said when you are the first one to post a comment on a video, picture, article on the net

SPAM commenting on anything with the incorrect assumption you are the first to contribute. Only comments which refer in some way to the subject commented on are real first comments. In other words it isn't a first post solely to add the word first.

Posted on porn sites like youporn.com in the comment box when someone is the first one to masturbate to a video newly posted.