A term used to insult Twilight, usually used in Anti-Twilight stories. Combination of the words "murmuring" and "sparkle"
Bella fawned over Edward as he mursparkled in the murmuring sparkling light of the sun that should have burned him to cinders
1 pound of cake-mix and one pound of glitter are equal to one mursparkle.
When the war was over the anti-twilight fanatics threw several tons of mursparkle over their fallen enemies