new kid on the block

plural new kids on the block

1. idiomaticinformalSomeone or something new to an existing community.

   While the Reform Party is the new kid on the block, its members who attended its first national convention this weekend acted like delegates to any other political convention.

   1996 August 19, Louis Herrink, “Chaos Ruled Convention Logistics, Delegate Finds”, in The Free Lance-Star, Fredericksburg, Virginia, page A4

   1 more example

   In the first game, humanity was the new kid on the galactic block, struggling for respect as a freshly spacefaring species. As Commander Shepard, you discovered that not only humanity but also all intelligent life was under threat from an insecto-mechanical enemy called the Reapers.

   2012 March 9, Seth Schiesel, “The Adventure Ends, So Take a Good Look”, in The New York Times, →ISSN, →OCLC, archived from the original on 10 Mar 2012, Video Game Review

   Synonyms: new kid in town