Like an earworm; When you remember enough of a song that it's stuck in your head, but not enough to google it.
Friend 1: "God, I've had this song stuck in my head all day"

Friend 2: "How does it go?"

Friend 1: "I don't know"

Friend 2: "Sounds like you have a mirumalum."
by Jam Jam the Party Man August 28, 2020
Get the Mirumalum mug.