"Bad Guy" (stylized in lowercase) is a song by the American singer-songwriter Billie Eilish and the fifth single from her first studio album, When We All Fall Asleep, Where Do We Go? (2019). It was released on March 29, 2019, by Darkroom and Interscope Records. The song was described by media as electropop, dance-pop, and trap-pop with minimalist instrumentation. In the lyrics, Eilish taunts someo... Wikipedia