A boxing match ender is a term used to describe the conclusion of a boxing match. The two most common terms used to describe a boxing match ender are 'KAYO' and 'TKO'. KAYO is a four letter term which stands for 'KNOCKOUT', meaning that one boxer has been knocked out by the other boxer. TKO is a three letter term which stands for 'technical KNOCKOUT', meaning that the referee has stopped the fight due to one boxer being unable to continue.