The term 'TOP FINISHER' can be defined by two crossword solutions: PEE (3 letters) and CHAMP (5 letters). PEE stands for 'Personal Best Effort', which is a term used to describe an individual's best performance in a given activity. CHAMP stands for 'CHAMPION', which is someone who has achieved the highest level of success in a particular field or activity. Both terms refer to someone who has achieved the highest level of success in a given activity, making them a TOP FINISHER.