The crossword solution for the term ONE CURL, SAY is REP. REP is an abbreviation for the word repetition, which is the act of repeating something. Repetition is often used in physical activities such as exercise and sports to help improve strength and endurance. In hairstyling, one curl, say is a phrase used to describe a single curl that is repeated throughout the hair. This type of styling is often used to create a uniform look or to add texture to the hair.