The phrase "good liver" refers to an individual who is able to consume alcohol without experiencing negative consequences. Some common synonyms for "good liver" include "heavy drinker," "hard drinker," "boozer," and "alcoholic." However, it is important to note that these terms can be perceived as derogatory and should be used with caution. Other more neutral or positive terms to use instead of "good liver" might include "able to handle their alcohol," "can hold their drink," or "doesn't get drunk easily." It's important to be mindful of the language we use when talking about alcohol consumption and to avoid promoting harmful drinking behaviors.