a: A name for one's penis.
b: Less commonly, a bladed weapon concealed in one's trousers.
a: My girlfriend was really asking for it, so I jousted her with my trouser sword.

b: I was halfway through mugging this guy when he produced his trouser sword and sent me running for my life. (this could also pertain to definition a)
by omgitsabearlol June 27, 2009
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