"Bully", stylized in all caps) is a song recorded by South Korean singer Sunmi, released on August 27, 2019, by Makeus Entertainment as a single.

The song was announced and confirmed by Sunmi on August 17, 2019, through a promotional poster on various social media accounts.

Tamar Herman of Billboard describes the song as a "Latin pop and dancehall elements with traditional Korean sounds, incorporating the traditional Korean horn instrument known as a taepyeongso.

"[4] The music video was directed by Choi Yongseok (Lumpens).

[6][7] As of April 2021, the video has over 33 million views combined on both channels.