Sex that is considered exciting, vigorous, fast-paced, saucy, or exhilarating. Requires that all participants be in peek physical condition and a proper full-body stretch beforehand is recommended. It is also common to perform many different positions in quick and violent succession during "Hot Combat".
"She just gave me that look and I knew there was gonna be some Hot Combat tonight".
"...and after about two hours of Hot Combat neither of us had feeling in our legs. Best. Sex. Ever."