The word "budge" can be used as both a verb and a noun, but it is most commonly known as a verb. Let's break it down simply.
As a Verb: To "budge" means to move a little bit or to shift slightly. It often implies that the movement is not very large or significant.
As a Noun: "Budge" can refer to a famous American tennis player named Don Budge, who was the first person to win the Australian, French, English, and U.S. singles championships in the same year, 1938.