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Verb: top-post
  1. (computing) to put the newly-added portion of an email or Usenet response before the quoted part, as opposed to the more logical sequence of quoted portion first with original following
    "This supports the notion that the absence of a nationally-placed contender for a top- post is more favourable for opposition than the presence of one"

Derived forms: top-posts, top-posted, top-posting

Encyclopedia: Top-post