An inconsiderate shitbag. Someone who champions the cause of dicking other people over or fucking with their otherwise well-meaning lives.
Did you see that fucking ass musketeer cut me off?
by acceljunky May 12, 2011
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Musket ass is violent and explosive diarrhea that has a stentch so bad it could possibly knock some one out.
"That is no orchestra playing in that stall over there; that is a case of musket ass."
by fatwinks February 6, 2005
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