A cheap Wal-mart keyboard equipped with an automatic repeating beat that also includes a microphone. Used to put someone on blast.
What, bitch. Are you trying to start mess? Oh naw, I'm have ta get out the Blast Machine.
by Sebastian AKA CB March 23, 2008
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A gun used by Vincent in Dirge of Cerberus: Final Fantasy VII. It has the ability to kick back an opponent so you have time to do something. If you continously fire they they do a funny dance in the air. They do as much damage as the normal machine gun Griffon.
Vincent: Hey, lets try out this new gun.
Random Soldier: He's over here!
(Vincent pulls out BLAST MACHINE GUN and fires)
Random Soldiers: WTF?!
BOOM. all die.
Vincent: ... sweet.
by Fragment Chaos November 3, 2006
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