2 Baddies is the title track from NCT 127's 2022 album of the same name, released by SM Entertainment, with Mark Lee as one of the group's main rappers. The song's brash hip-hop sound made it a favorite for performance clips and short-form edits. On TikTok and K-pop fan communities, short vocal cuts like this one circulate as hype sounds for fancams, dance challenges and bias edits. Its staying power comes from Mark's recognizable delivery and the track's confident, high-energy hook.