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1.
Chiefly Australian slang. A fight or disagreement. Often denotes physical conflict.
First holiday with the Missus and had only one barny (albeit a drunken one).
by rustyspring March 27, 2007
 
2.
you have been here three seconds and your already in barny
by rowdypuppet August 19, 2008
 
3.
A mainlander, not from the Islands. Usually used by native Hawaiians in the surf culture as a term for a guy who is a "farm boy" type, especially surfers who come from mainland U.S. to surf in Hawaii.
Local islander to tourist: "Go home, barny!"
OR
One island local to another local about a tourist: "That dude's a barny, bra'"
by OogieBobby G September 15, 2008
 
4.
Term referred in Planetside for the Vanu Sovereignty (for their color).
Shit! We are getting zerged by the barnies!

Damn barnies are fucking cheap with their mag-mowers.
by Dr. Demented January 15, 2004
 
5.
Purple 30 milligram M.S. Contins...Morphine sulphates

Purple in color, hence the Barnie reference.
"Pat...Kevin has a SHIT POT FULL of Barnies for 2 bucks each!"

"I'll take 90 bucks worth...."
by phatdave September 28, 2007
 
6.
Edible horse treats manufactured in Canada, consisting of mixed grains and molasses. Barnies and its founder Terasa Hill were seen on CBC's Dragons Den in December 2007. Terasa Hill was the first Canadian to receive the endorsement of all 5 investors on the national television series.
Get a pail of Barnies horse treats.
by Padicah February 16, 2009
 
7.
Someone who has no idea what they are doing.

Someone of noob status
Guy 1: I was pouring pwn sauce all over these noobs
Guy 2: what a bunch of barnys
by MHC17 March 20, 2007