Young, Dumb, Stupid

On February 10, 2023, JYP Entertainment announced that Nmixx would be releasing their first extended play titled Expérgo on March 20.^[1] On March 2, the track listing for the EP was released, with "Young, Dumb, Stupid" announced as a pre-release track.^[2] The song along with its music video was released on March 13.^[3]

"Young, Dumb, Stupid" was written by Oh Hyun-seon (Lalala Studio), Moon Yeo-reum (Jam Factory), Lee Seu-ran (Jam Factory), and Park Sang-yu (PNP), and composed by members of the production team The Hub, including Brain U, Honey Noise, Brown Panda, Frankie Day, and Awry.^[4] The song was described as an "energetic", "Mixx-Pop" song that combines hip hop and a style typical of a children's song, sampling the nursery rhyme "Frère Jacques".^[5]

Professional ratings

Review scores
Source	Rating
IZM	[6]

Lim Dong-yeop wrote for IZM that the song's "familiar tune immediately arouses initial interest, but interest waned due to the simple melody that everyone knew".^[6]

"Young, Dumb, Stupid" debuted at number 130 on South Korea's Circle Digital Chart in the chart issue dated March 12–18, 2023,^[7] and at number 21 on the Circle Download Chart.^[8] It peaked at number 50 on the Circle Digital Chart in the chart issue dated April 9–15, 2023.^[9]

In Singapore, the song debuted at number 27 on the RIAS Top Regional Chart in the chart issue dated March 10–16, 2023,^[10] ascending to and peaking at number 17 in the following week.^[11]