May be a clipping of the word barney. Used to label a white guy who thinks he's cool...but he's wrong. Subject may be seen wearing puca-shells while talking about "hangin' ten" even though he lives in San Jose.
"Don't date him...he's a BARN!"
by Patty G. Funk April 19, 2006
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A person that always gives you or your group what you ask for; group bitch.
Well I needed 20 bucks, but that barn over there lent it to me.
by Draeger November 13, 2003
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A man who whinges about not being able to do the math work in a classroom.
Conor- I cant do it sir. Its too hard.

J- Stop whinging about the work, your such a barnes.

Sir- Yes you are a barnes Conor.
by T Pepper May 17, 2010
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One who displays traits of a person with lillte common sence as if they were born in a barn
"Jon were you born in a barn?"
by Ben Smith September 30, 2004
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to have a three-some with a horse.
dude did you hear about that girl and her friends who choked the chicken and then got barned?
by Jenn Thayer September 5, 2004
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When you find yourself lacking cash on a night out and so decide it is appropriate to begin searching for other peoples losses on the floor around the club, specifically around the bar.
Jake: What did you do about your cash situation last night then mate? Bitta' Barnes?
Jeff: Totally Barnsed it mate, came out with 30 spoon.
Jake: Prick.
by Richmeister5000 January 31, 2010
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