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A person who turns up their music so loud you can hear the bass outside of the area it is being played, especially in your own apartment/house/car.
"Man, I got no sleep last night."
"The basstard who lives above me was at it all night with that obnoxious techno music."
"The basstard's still alive?"
"Then whose coffee did I poison...?"
by Darren C March 06, 2006
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A Basstard is a douchebag who insists on turning the bass up very high when listening to music. The bass ends up drowning out pretty much everything else in the song and the music basically turns into mud.
What song is that idiot listening to? I can't tell because the bass is too high. what a basstard!

That basstard doesn't even know what he's listening to. It's all just an auditory mass of sludge. He spent a lot of money on his retarded car stereo system too. Just so that he can listen to mud and vibrate his car to pieces.

The basstard was musically retarded.
by CurvedMirror January 16, 2010
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Someone who must alway start a fight over getting to play the "Bass" over the "Guitar" when playing Guitar Hero, or Rock Band.

Also See Guitard
Joe: I am playing Bass, the Guitar is stupid so you can play it.

Mike: Quit being such a Basstard, We can switch every other song
by Gamewizard 546 September 21, 2009
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a snappy (that i thought i invented:P) come-back to counter being called a gaytarist. (guitarist)we all know guitar is better than bass! ;)
example of using basstard in an every day musicians life

2 dudes sitting, followed by being bored and silent

dude1: oh my god ur such a dick
dude2: that was random....u GAY-tarist
dude!: WHAT??? guitar is better than bass man...ur such a BASS-tard.
dude2: ooooohhhh touche, mate, touche.
by metal ninja May 30, 2006
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