[3] The song was composed using common time in the key of E♭ major, with a moderate tempo of 90 beats per minute.
[6] Standing out from other BigBang songs for not falling in the love song category, the lyrics described feelings of doubt and unhappiness that accompany the everyday life of a self-proclaimed loser,[7] while also detailing "unhappiness with one-night stands and forgetting the importance of love.
"[8] G-Dragon explained the meaning behind the lyrical-content, saying that "people who stand under the spotlight are just human beings," saying that all humans have their feelings hurt, but also the songs adept on all the situations, saying "however, we wanted to offer a [more universal] theme with this song, so we drew a bigger picture.
[10][11] It topped the chart for two more weeks and finished as the month's best-performing song selling 770,000 digital copies.
[17] The song also ranked third as the most popular Korean singles in 2015 in Taiwan by music streaming service KKBOX.
"[19] Billboard named "Loser" the best K-pop song of 2015, saying that the single "proved that a subtle take on all the things that make a group unique can speak so much louder" and concluding that "such an impassioned performance has you hooked from first listen.
"[5] The magazine also called "Loser" the group's sixth essential song in honor of their tenth anniversary.
G-Dragon starts his scenes in a lift, revealing a neck tattoo that reads Truth + Dare.
Taeyang has a personal fight with his faith, holds a cross with the sentence "Sin will find you" written on it.
In the end he apparently commits suicide and the cross breaks apart leaving the words "Sin will find you."
Seungri has problems controlling his anger, kicking a car and destroying his room after seeing the girl that he loved with someone else.
[27] Due to the song's popularity, it's been covered by many artists, including the vocal band Tritops, who released theirs on April 30.
[32] Bambam, Choi Youngjae, and Kim Yugyeom also covered the song on KBS CoolFM.