The phrase "meat and drink" is a common expression which refers to something that is central or essential to one's well-being. It is often used to describe something that is necessary or crucial, like food and water. However, there are a variety of synonyms that can be used in place of this phrase, depending on the context. Some possible substitutes for "meat and drink" could include "bread and butter," "daily staple," "lifeline," "essential nutrients," or "lifeblood." Each of these terms can convey a similar sense of importance or indispensability, depending on the situation. Whether it's describing a person's daily routine or a necessary component of survival, these synonyms offer a range of options for expressing this concept.