The term 'OVER-the-top (extravagant)' refers to something that is excessive or beyond what is necessary. It is often used to describe a situation or event that is overly dramatic or ostentatious. This term can also be used to describe someone who is overly enthusiastic or passionate about something. The term is derived from the phrase 'OVER the top, ' which was originally used to describe soldiers going OVER the top of a trench during World War I.