The term "one-eighties" is typically used to describe a complete reversal in attitude or behavior. However, there are several other synonyms that can be used to convey the same meaning. One such term is "flip-flop," which suggests a change from one position to the opposite. Another synonym is "reversal," which connotes a vivid and sudden transformation. "Turnabout" is another excellent option, as it implies a complete reversal of opinion or perspective. Finally, "U-turn" is a common colloquialism that is widely used to describe a change in direction or attitude. Regardless of which term you use, all these synonyms describe a complete shift in behavior or mindset.