Eilish utilizes her signature whisper-vocal style , alternating between menacing, monotoned delivery and playful, sarcastic ad-libs (most notably the whispered "duh" ).
Produced by Eilish's brother, Finneas, the song features a sparse, "claustrophobic" production built around a driving, groovy bassline and a frenetic 135 BPM heartbeat kick drum. But Im The Bad Guy
The song takes a sharp turn at the end with a dark beat switch that transitions the track from upbeat pop to a gritty, trap-heavy conclusion. Lyrical Themes Eilish utilizes her signature whisper-vocal style
Eilish has stated the song pokes fun at people's online personas and those who constantly broadcast how "tough" they are, including herself. Critical Verdict Billie Eilish's “bad guy” Song Review - MusiCommentator alternating between menacing