A story that is written poetically, or a poem that tells a story.
person 1: I read Hiawatha by Henry Wadsworth Longfellow this weekend, and man is it long!
person 2: Yeah that's one of the longest Porys I've read, though my favorite would have to be The Raven by Edgar Allen Poe
(noun) A stunning creature of high intelligence that enjoys devouring stupid humans.
Haha, that Pory just ate your mom!