The crossword solution for the term PART OF YOLO is ONCE, which is a four-letter word. ONCE is an adverb that means 'one time' or 'on a single occasion'. It is often used to emphasize that something happened only ONCE and will not happen again. YOLO is an acronym for 'you only live ONCE', which is a popular phrase used to encourage people to take risks and make the most of their lives. Therefore, the phrase 'PART OF YOLO' can be interpreted as meaning 'do something ONCE and don't miss out on the opportunity'.