ass musketeer
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?
Musket Ass
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."