Definition of "poast"

poast

noun
plural poasts
1. Obsolete form of post.
2. (humorous, Internet) A post on an internet site, especially associated with being "terminally online" or causing mischief.
verb
third-person singular simple present poasts, present participle poasting, simple past and past participle poasted
1. Obsolete form of post.
2. (humorous, transitive) To post on an internet site, especially with ironic or mischievous intent.