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1.
An amazing device used by the heroic officers of the law to obliterate the dirtbags.
Deputy Shane: Hey Kyle, what is the best weapon to use in self-defense?

Deputy Kyle: I would have to say that would be a Good-Blaster, Shane, it is the best firearm ever.

Deputy Shane: Thanks Kyle, I'll always have my Good-Blaster on my side.
by mcmeow93 October 15, 2012
 
2.
A word to describe a firearm used in self-defense.
"Hey dude, I just used my good-blaster to blow away those fools who tried to rob me."
by NotAirMarshalJohn October 15, 2012