Mr Obama himself took to Twitter to share a picture from the event.
"There's no better time than the holiday season to reach out and give back to our communities," he wrote in a tweet that has been 'liked' over 3.4 lakh times.
There's no better time than the holiday season to reach out and give back to our communities. Great to hear from young people at the Boys & Girls Club in DC today. pic.twitter.com/FSJkj1qwg9- Barack Obama (@BarackObama) December 14, 2017
People on Twitter can't stop raving about Mr Obama's thoughtful gesture:
Wow! Thank you, sir, for your ongoing leadership and involvement! Your example is an inspiration!- Scott (@nordicmonte) December 15, 2017
Thank you for your leadership Mr President in words & deed. Merry Christmas to you Michelle and your beautiful daughters.- #ThemajorityResist (@DeelightRI) December 15, 2017
You are such an awesome human being. Thank you!!!- Brian Krassenstein (@krassenstein) December 14, 2017
Last month, Mr Obama had shown up for jury duty in Chicago, much to the delight and surprise of everyone else there.