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When one is converted into a state of mind beyond belief, and occurs when listening to music performed and/or sung by the British band, Muse. This will usually occur to person listening to Muse for the first time, but can occur at any given moment.
Ex 1: Don't disturb me mate, I'm in a complete state of museification.

Ex 2: I was completely museified when i heard them at first.
by Max2oo9 June 17, 2009
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