The phrase "schizzes out" is a colloquialism commonly used to describe someone who loses their composure or becomes overly anxious or nervous. Synonyms for this phrase include "freaks out", "loses it", "panics", "flips out", "has a meltdown", "loses control", "breaks down", and "cracks up". These phrases can all be used interchangeably to describe situations when someone is feeling overwhelmed or unable to handle their emotions. By using these synonyms, individuals can avoid using crude or offensive language and instead use more appropriate language to express their emotions.