A stress puppy is someone who gets easily stressed, often overreacting to situations that others might find manageable. Some synonyms for the term include worrywart, frazzled, anxious, uptight, tense, and on edge. Another synonym could be high-strung, as this term describes someone who is easily agitated or nervous. It's important to note that while these words can be used interchangeably with stress puppy, they might have slightly different connotations. For example, the term high-strung might imply that a person is naturally anxious, while stress puppy describes someone who is currently experiencing stress. Regardless of which term you use, it's important to recognize and empathize with those who are feeling overwhelmed.