serve oneself to, or consume regularly

become sober after excessive alcohol consumption

propose a toast to

eat sumptuously

the act of drinking alcoholic beverages to excess

the act of drinking alcoholic beverages to excess

a person who drinks alcoholic beverages (especially to excess)

consume excessive amounts of alcohol

drink port

drink claret

go from one pub to the next and get progressively more drunk

drink moderately but regularly

drink excessive amounts of alcohol; be an alcoholic