No Big Deal is an expression used to describe a situation that is not important or serious. It can be broken down into three words: MINOR, Its, and Molehills. MINOR refers to something that is small or insignificant, Its is a possessive pronoun used to indicate ownership, and Molehills are small hills or mounds of earth. Together, these three words form the phrase No Big Deal, which is used to describe a situation that is not important or serious.