How about...
'Stuck Jingle Syndrome'
Ugh!
Recently I've been afflicted with a Stuck Jingle so nefarious, so blatantly untuneful, so... so... BAD that I've had to resort to prayer and alcohol to exorcise this new demon.
Unsuccessfully, I might add.
I would share with you the exact nature of the perpetrator but I can envision this malady spreading into the Village, and then outward into the entire world until the Earth is brought to its knees by this unnamed blight. I could not possibly shoulder such a burden, and thus, the jingle will remain anonymous.
However, I can assure you that if the above pandemic were to occur, Subway would be the richest sandwich franchise in the world.
And the most hated.