Exhibiting or relating to post-irony.

Alternative form of postage due stamp.

Indicating that insufficient or no postage has been prepaid for the delivery of an item of mail.

(philately) A postage due stamp.

plural of postage due

plural of postage due stamp

(philately) An adhesive stamp affixed by a post office to an item of mail, indicating that insufficient or no postage has been prepaid.

(transitive with of)

(US) A diplomatic post associated with difficult living conditions.

To make posh, or posher; to poshen