This famous GIF features actor Robert Redford as the mountain man Jeremiah Johnson in the 1972 film of the same name. In the scene, Johnson catches a fish using a method he learned from his friend 'Bear Claw' Chris Lapp, prompting him to give a slow, proud, and slightly bearded nod of approval to the camera. For years, many internet users mistakenly believed the person in the GIF was comedian Zach Galifianakis, which only added to its legendary status once the truth was revealed. It is used as the universal sign for 'Approval,' 'Mission Accomplished,' or 'I am very proud of what just happened.' It signifies a job well done after a long period of effort, like finally getting a bug-free build or finishing a difficult project. The slow, rhythmic nature of the nod conveys a sense of seasoned expertise and the quiet satisfaction of a true professional witnessing a successful outcome.