The phrase "Sko Buffs" is a slang expression used by fans of the University of Colorado Boulder. It is an abbreviation of "Let's go Buffs," the latter part being a reference to the school's sports teams, the Buffaloes. The term "Sko" is an informal way of saying "Let's go," and it is often accompanied by a head nod. The origin of the term is not officially documented, but it is commonly used to show support for the university's athletic teams. The phrase is popular among the university's fan base and is often used in social media posts and fan discussions