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1.
somone who chronicaclly drives drunk.
my friend who is a carcoholic shows up to work drunk and his job is a long haul truck driver.
by jacksondragon32 November 19, 2010
 
2.
a person who drives under the influence of alcohol. Also used as an adjective.
1. Stern action needs to be taken against carcoholics. They contribute to road accidents.
2. I cannot put up with your carcoholic behaviour.
by uttam maharjan October 11, 2010