Top Definition
abbreviation for an alcoholic, usually used jokingly not as in actual medical condition
"That's his third bottle of vodka tonight...fucking alco."
by itsmadeline September 16, 2005

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Alcuin bar at York Uni. No one goes, but it's full of alchos.
by Anonymous October 18, 2003

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A term used to discribe something in style or cool. Can be used in any way possible, to discribe someone or something, to indicate how fun something was or just because it sounds cool.
"damn man that sounds Alco". "dude did you see that boardslide? That shit was Alco".
by Chroniczz September 29, 2010

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an abbreviation for alcohol or alcoholic
person 1: back the fuck off you alco!
alco: no you aren't
by some girl August 18, 2004

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simply it's just an abbreviation for alcohol
by funky squnky June 12, 2003

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