Punch Out is a term used in boxing, referring to the act of a boxer being knocked out by a punch. The term can also be used more generally to refer to someone being forced to leave a situation or job. In this crossword, the solutions DECK (4 letters) and Knockcold (9 letters) are related to the term Punch Out. DECK refers to the act of knocking someone down with a punch, while Knockcold refers to the act of knocking someone out cold with a punch.