Get back on the wagon
Bottoms up
Drinking like a fish
Can’t hold (one’s) drink.
To be off the wagon
Has a low tolerance for alcohol; becomes drunk after consuming only a small amount of alcohol.
A cheerful phrase or toast said before taking a drink
to be in the habit of drinking alcohol excessively.
Having returned to drinking alcohol or using drugs after a long period of time.
abstaining for a period of time from drinking or using drugs.