When someone who just recently knew about the band Muse OR when someone just liked the band Muse
Dude #1: "Wow, I never realized that Muse is a really cool band."

Dude #2: "Haha dude, you've got the 'Muse Effect'."
by yourmama311 February 11, 2011
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When the bass guitarist is cooler than the main singer (usually acoustic guitarist). In Muse's case: Chris Wolstenholme is cooler than Matt Bellamy.
"Damn that band has the Muse Effect going on!"
by ThatGuyRetr0 October 28, 2019
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