(WHRET-row-wish) n. the condition which can arrise if you fail to forward a chain email
Sue: "OMG. The instructions at the end of that stupid chain email said that I had to forward it to 10 people in the next 10 minutes or my wish would be cancelled."
Sally: "How many people did you send it to?"
Sue: "Uh, eight, I think. Now what?"
Sally: "Well then, I guess you will have yourself a retrowish."