"Chk Chk Boom" is a song by South Korean boy band Stray Kids, taken from their ninth Korean-language extended play Ate (2024). It was released as the EP's lead single on July 19, 2024, by JYP Entertainment and Republic Records. A Latin-influenced hip-hop and reggaeton track, the song was written by 3Racha, DallasK, Ronnie Icon, and BB Elliot. The accompanying music video, premiered on the same day, features actors Ryan Reynolds and Hugh Jackman appearing in Deadpool and Wolverine costumes, respectively.