Chris Wanstrath, known by the handle @defunkt, discusses an innovative approach to using gestures for controlling Git commands in a post highlighted by topfunky. The concept involves utilizing swipe gestures to execute Git actions, such as swiping up to perform a git push, swiping down to execute a git pull, and swiping left to check the git status. This method offers a unique and potentially more intuitive way for users to interact with Git, enhancing the user experience by integrating physical gestures with digital commands.