Noun guzzler has 2 senses
  1. guzzler - someone who drinks heavily (especially alcoholic beverages); "he's a beer guzzler every night"
    --1 is a kind of
    drinker, imbiber, toper, juicer
  2. gulper, guzzler - a drinker who swallows large amounts greedily
    --2 is a kind of drinker
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