An impossible situation that serves no purpose anyway.
Something unachievable
yet completely
irrelevant, like trying to get a live ferret into an novelty balloon for no apparent reason.
1. Phil had three minutes to shave his muttonchops before his
wife got home, not that she'd notice anyway. It was a total balloon ferret
2.
Guy to insane
girlfriend "You want me to stay awake with you through all of the Twilight movies? What a fucking balloon ferret."