Anything of a lesser quality or value than what is generally acceptable. Alternatively, something that consistently disappoints either through poor performance or bad decision making.

Noun or adjective, use as you see fit.
"Have you heard Todd Snider's version of Beer Run?"
"Yeah, bra, that's a beater rendition. Garth & George's is the only one for me."

"UCLA has a beater football program, never a contender for the 'naty and one Heisman winner (over 35 years ago). That's only one more trophy than ITT Tech has. Bunch of beaters."
by Geoffy July 11, 2006
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1. your backup guitar, that isn't your main guitar. just in case you break a string while playing on stage

2. a base model guitar with modified pickups

3. the guitar you duct tape the straps to for practicing guitar throws and whatnot
i've grabbed myself a new beater the other day, i just need to put some duncan blackouts into it and it'll be good to go
by aimfor7 May 27, 2011
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Largest piece of shit car. Candiates are, but not limited to, Mercury Tracer, Geo Metro, any Toyota Camry of any year, or any shitty car that you would only ride in with a bag over your head, or it smells, looks, drives, and tastes bad.
Guy 1: Hey man, Check out my new whip!

Guy 2: Dude, that thing's a fucking beater.
by Larry Davidzz November 08, 2011
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A young man who sherks his responsabilty , to chase after pleasures of sin for a season.
After having gone missing for A ten day weekend the young man suddenly appears in the garage and his brother says.. Where ya been beater?
by dang May 08, 2003
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a pair of sneakers that are beat, messed up, crusty, dirty, etc. etc. etc.
These are my beaters, mad fucked up, I know.
by amaaaandaaa July 06, 2005
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A term used at Utah ski areas (Alta, Snowbird) to describe a tourist of inferior skiing ability. This noun was coined due to the distinctive sound made by a skier, tangled in their own equipment, tumbling down a steep ski slope.
Look at that Beater on the expert terrain; he is going to die.

One Skier to another: "Nice face plant, you're such a Beater!"

Go ski Nebraska you frickin Beater!
by Kurty December 06, 2006
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this is a term that started in the late 80's in Toronto refering to white girls who would dress up like roots girls talk with west indian accents chase black men and show up at any event that has black people reggea, hip hop, and they would get beat the hell up for it. Hence the name beaters...
Yo you see that beater walking down the street you know she will let us run a train on her...just cause we are black LOL
by Romeo b Montague September 24, 2010
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