1. An almost nonexistent
relationship, usually of a romantic nature, with one party exaggerating or imagining their closeness; a
relationship almost exclusively existing in the hopeful person's mind.
2. A product of a lovelorn person's imagination, a
relationship planned out in said person's thoughts, unbeknownst to their object of affection, and almost never acted upon; can be a celebrity as well.
Person A: So how is Kyle doing with Sarah?
Person B: Haha, he told you they were
going out? Total imaginationship.
Despite Tyler
having a girlfriend, Beth develops their imaginationship in her head, right up to their wedding.