"Not touch a drop" is a phrase used to describe someone's abstinence from alcohol. However, there are many synonyms for this phrase, including "stay sober," "refrain from drinking," "abstain from alcohol," "stay away from the bottle," "avoid getting drunk," and "keep a clear head." These phrases all convey the idea of not consuming alcohol, but they each have their own nuances and connotations. Some of these phrases suggest a moral or health-related motivation for staying sober, while others imply a need for restraint or self-control. Regardless of the specific phrase used, the underlying message is clear: the person in question is choosing to stay sober and avoid the negative consequences of heavy drinking.