A pejorative word used to describe one that exudes the characteristics of "hot" "messy" garbage. This definition is often debated among girls who cuddle on guys' couches and become hot messes themselves. Girl(usually a chemist) would say it means a sexy mess. Guy(usually a broker) usually says its....well, hot garbage
Kelly: " We look like such a Hott-Mess ".
Dave: "Isn't a Hot-Mess like hot garbage though?"