Someone who is very open to government conspiracies and will often challenge every single political point you say with "It's all a lie. When the Zetas fill the skies..."

Also if they like the band Muse, although not necessary.
Look, I don't care if the government is lying to us, stop being so Musey!
by Matt_Bellamy July 04, 2009
Top Definition
Musey = Rather brilliant, relaying to the live performance of Muse at Glastonbury, especially of the song Stockholm Syndrome
This website is Musey!
by Gilaventi September 27, 2004
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