1. (noun) a drinker who swallows large amounts greedily

• gulper

1. (noun) someone who drinks heavily (especially alcoholic beverages)

• drinker
• imbiber
• juicer
• toper

2. (noun) a drinker who swallows large amounts greedily

• drinker

1. (noun) a drinker who swallows large amounts greedily

• gulp
• quaff
• swig