"Wigged out" is a slang term that means to become anxious, agitated or stressed out. There are a number of synonyms that can be used to convey similar meanings, such as freaked out, stressed out, anxious, panicked, unnerved, rattled, frazzled or perturbed. Each of these terms have subtly different connotations, but all refer to a state of heightened emotional response that can be caused by a variety of different triggers. Whether dealing with a difficult situation at work, a challenging personal issue or a stressful event, these terms can help to describe the experience of feeling overwhelmed or overwhelmed by emotions.