English

Verb

top-post ‎(third-person singular simple present top-posts, present participle top-posting, simple past and past participle top-posted)

1. (Internet, transitive) To post (a reply to a message) above the quoted original message (generally regarded as poor netiquette).
2. (Internet, intransitive) To make a top-post.

Noun

top-post ‎(plural top-posts)

1. (Internet) A top-posted message.
2. (Internet) An act of top-posting.