Dance spasm Share definition Flag Involuntary muscle movement that occurs when one hears a conjunction of joyful sounds and rhythms. "What happened to your car?!?" Me: "I was distracted due to a dance spasm and drove it off the road..." Dance spasm by shanandrew May 18, 2020 0 0 Get merch Get the Dance spasm mug. Buy Now — $32.95 See more merch