Someone being spoken of or referred to is just an ordinary human being. Used especially in reference to someone who is of an elevated social status, such as a celebrity, star athlete, member of royalty, etc. The phrase is often followed by "just like everybody else." Primarily heard in US. Because our only interaction with celebrities is through the media, it's easy to forget that they put their pants on one leg at a time, just like everybody else. The superstar comedian's latest non-fiction book provides a quirky insight into her day-to-day life, and reminds you that she puts her pants on one leg at a time just like the rest of us. I might be the youngest billionaire in the world, but I still put my pants on one leg at a time!