The term "hast shakes" refers to the involuntary trembling of the hands that is often associated with anxiety, nerves, or fear. There are a number of synonyms for this condition, including quivering, tremors, shaking, jitters, shivering, and shuddering. Depending on the context in which the term is used, other words such as spasms, convulsions, or palpitations may also be appropriate. While "hast shakes" may be a term that is less commonly used in modern English, the concept of trembling or shaking has been a subject of interest and concern throughout human history and is often associated with emotions or physical conditions.