"Hobby Hobby" is a song recorded by German rapper Mero, released on 18 January 2019, through Groove Attack TraX.
Written by the rapper himself and produced by Josh Petruccio, the track acts as the second single for his debut studio album Ya Hero Ya Mero (2019).
An accompanying music video for the song was directed by Plug, Jakub and Tatjana of the 100Blackdolphins and uploaded by onto Mero's YouTube channel simultaneously with the single's release.
Commercially, the single debuted atop the German single charts and broke multiple streaming records, including the most streams in Germany within one week, accumulating nearly ten million streams.
The video was viewed more than 3,1 million times on YouTube, within the first 24 hours, breaking the record by "Melodien" of Capital Bra and Juju.