Definition of guzzles:
(v) :
To drink or eat quickly, voraciously, or to excess; to gulp down; to swallow greedily, continually, or with gusto.
(v) :
(by extension) To consume anything quickly, greedily, or to excess, as if with insatiable thirst; often said of gas-powered vehicles.
(v) :
(intransitive, dated) To consume alcoholic beverages, especially frequently or habitually.
(n) :
(dated, uncountable) Drink; intoxicating liquor.
(n) :
(dated) A drinking bout; a debauch.
(n) :
(dated) An insatiable thing or person.