The phrase "going buggy" is often used to refer to someone who is acting irrationally or losing their temper. However, there are many other synonyms that can be used to convey the same meaning. For example, you could say that someone is "losing their mind" or "flipping out." Other common phrases include "going crazy," "losing it," "freaking out," and "going bonkers." Each of these phrases emphasizes the extreme emotions and behaviors associated with "going buggy," and they can be used interchangeably depending on the context. Whether you're describing a friend's meltdown or your own mood swings, these synonyms can help you communicate your feelings more effectively.