v To drink (or, sometimes, eat) quickly, voraciously, or to excess; to gulp down; to swallow greedily, continually, or with gust.
v (context|by extension) To consume anything quickly, greedily, or to excess, as if with insatiable thirst.
n (obsolete|British|provincial) A drain or ditch; a gutter; sometimes, a small stream. Also called guzzen.