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1. To be perusing your mind -- as in searching for thoughts. Mind-perusing. Mirusing. Musing.

2. The act of listening to music by the band Muse.
Hey window-buddy, do you like this music I'm jamming out to right now? I'm totally musing it up.
by woozzi February 09, 2012
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Cleveland Steamer Plush

The vengeful act of crapping on a lover's chest while they sleep.

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