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

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

present participle of top-post

simple past tense and past participle of top-post

plural of top-post

Third-person singular simple present indicative form of top-post

(Internet) One who top-posts.